George Hafstad was a plant pathologist and a field technician with the U.S. Rubber Development Corporation in Brazil from 1943 to 1945. The George E. Hafstad Papers include a diary, several technician reports, and a folder of photographs from Hafstad's time as a field technician with the U.S. Rubber Development Corporation Amazon Division.

This collection contains George Field's files of the organization Freedom House (1933-1990; Bulk Dates 1941-1969). Freedom House was formed in October 1941 as an organization dedicated to the defense of freedom throughout the world--a cause perceived to be in great danger. Founding members included George Field, Dorothy Thompson, Wendell L. Willkie, Herbert Agar, Herbert Bayard Swope, and Rex Stout. These and other members had been involved in both Fight For Freedom and in the New York Chapter of the Committee to Defend America By Aiding the Allies. Freedom House carried on the spirit of these two organizations by acting as a clearing house of information. Its first agenda was to work, during World War II, to prepare the country for peace, and then after the war to continue to defend peace and freedom throughout the world. Throughout the period from 1941 to 1967 George Field was the Executive Director of Freedom House and was in charge of the day-to-day activities as well as the long-range planning for the organization. These records reflect Field's position in Freedom House during this time. The collection contains only the records that George Field retained from Freedom House, not the official records of the organization. Included in these records are Field's copies of Freedom House meeting minutes, correspondence, newspaper clippings, publications and writings, financial files, legal files, and photographs.

George F. Kennan (1904-2005) was a diplomat and a historian, noted especially for his influence on United States policy towards the Soviet Union during the Cold War and for his scholarly expertise in the areas of Russian history and foreign policy. Kennan's papers document his career as a scholar at the Institute for Advanced Study and his time in the Foreign Service, and include his correspondence files, published and unpublished writings, and personal files.

Contains papers of George F. Shrady relating primarily to his role as Ulysses S. Grant's physician during Grant's last illness in New York in 1885.

Consists of selected papers of George F. Thomas, professor of religious thought (1940-1968) at Princeton.

George McAneny served in numerous positions in the government of New York City, including president of the Borough of Manhattan (1910-1913), president of the Board of Aldermen (1914-1916), and chairman of the State Transit Commission (1921). This collection consists of lectures, reports, correspondence, committee and association files, clippings, scrapbooks, and photographs, all of which reflect his special interests in regional and city planning, zoning, city and state transit, and city financing.

George McLean Harper was a writer and educator in the late nineteenth and early twentieth centuries. The collection consists of papers and manuscripts concerning two of Harper's books William Wordsworth, His Life, Works, and Influence (1916) and Wordsworth's French Daughter (1921). There are also papers relating to Harper's poems, stories, articles and speeches, as well as some correspondence.

George Nicholson (1937-2015) was a literary agent for children's and young adult books at Sterling Lord Literistic from 1995 to 2015. The collection consists of his Sterling Lord Literistic office files on the authors and illustrators with whom he worked, such as Tony Abbott, Betsy Byars, Lois Duncan, Patricia Reilly Giff, Alice Provensen, Peter Lerangis, and Zilpha Keatley Snyder, and the literary estates he managed, including those of Don Freeman, Hardie Gramatky, and Lois Lenski. Author files include correspondence and email printouts, as well as copies of contracts and agreements, royalties statements, book jacket proofs, promotional materials, drafts and proofs of book manuscripts, and photocopies and mock-ups of books.

Consists of original letters, essays, and articles of George Padmore (1903-1959), a leading Pan-Africanist, journalist, and author. Padmore played a crucial role in developing the Fifth, Pan African Congress, and was also instrumental in organizing black labor movements from the 1930s onwards.

George R. Beach was a member of the Princeton University Class of 1926. Consists of bound scrapbooks assembled by George R. Beach documenting Princeton's football team.

Consists of notebooks and notes taken by George R. Collins during his years as an undergraduate and graduate student at Princeton (Classes of 1939, 1942) in the fields of art and architecture.

Business files, correspondence, photographs, artwork, writings, and clippings of George Segal (1924-2000), 20th-century American sculptor, artist, and photographer active from the late 1950s until 1999. The papers contain photographs taken by and of the artist, correspondence and all business files relating to exhibitions, records of the production of public commissions, writings by and about Segal, audio and visual media, and exhibition catalogs.

The Georges Florovsky Papers consists of works, correspondence, documents, photographs, and memorabilia of clergyman, teacher and author, Georges Florovsky.

Consists of material by and about American patriot and founding father Benjamin Franklin collected by George Simpson Eddy in the process of pursuing various projects on and studies of Franklin.

George Stanley McGovern was a Congressman (1957-1961), a U.S. Senator (1963-1981), and a Democratic presidential nominee known for his strong liberal stance, particularly during the Vietnam War. This collection contains legislation files, campaign materials, correspondence, speech texts, schedules and invitations, travel files, patronage files, subject files, photographs, and audiovisual materials documenting McGovern's activities in the House of Representatives and in the U.S. Senate, as well as his time as Director of Food for Peace.

The George W. Ball papers document Ball's career as a lawyer, diplomat, investment banker and author. His involvement in Democratic politics, including his time spent on the presidential campaigns of Adlai Stevenson and his service as undersecretary of state for John F. Kennedy and Lyndon B. Johnson is well documented, as is his often overlooked role with Jean Monnet in European integration.

Shakespearean scholar Gerald Eades Bentley was a professor of English at Princeton University (1945-1970) and assistant librarian for Special Collections (1971-1973). His papers consists of notes, typescripts, and galleys for three published works, The Jacobean and Caroline Stage (1941-1968), The Profession of Dramatist in Shakespeare's Time, 1590-1642 (1971), and The Profession of Player in Shakespeare's Time, 1590-1642 (1984), as well as various speeches, articles, and correspondence about his works.

Consists of the business records of Gerard B. Lambert (Princeton Class of 1908), including correspondence, bills, invoices, and financial statements, which reflect his position as head of the Lambert Pharmacal Co. of St. Louis, developers and manufacturers of Listerine.

Consists of selected correspondence, photographs, and printed material of the American poet Gertrude Claytor, some of which is related to the author Edgar Lee Masters.

Consists of selected material by and about the American poet Edgar Lee Masters, collected by Gertrude Claytor, a friend and fellow poet.

Consists of playbills, programs, and some other printed material relating to the works of Gilbert and Sullivan.

Gilbert Chinard was a Franco-American scholar who taught at Princeton University and was affiliated with the Institut Français de Washington. The organization, established in 1926 to promote the study of French civilization and culture, endeavors to recognize the French influence in North American culture. The collection houses documents and letters concerning the Institution and an autograph manuscript of James Dunn Hufman's translation of Andre Lasseray's Les Français Sous Les Trieze Etoiles.

During World War I, Gilbert Fairchild Close held several positions in the government of President Woodrow Wilson, culminating with that of Stenographer and Private Secretary to the President. The papers document Close's work with Wilson, including the trip Close took to Europe with Wilson for the Paris Peace Conference at the conclusion of World War I.

Consists of letters to Gilbert Troxell from Sinclair Lewis, John O'Hara, and Carlotta Monterey O'Neill, the wife of Eugene O'Neill, discussing the donation of manuscripts to the Sterling Memorial Library at Yale University.

Gillett Good Griffin, a curator of Pre-Columbian collections at the Princeton University Art Museum from 1967 to 2005, spurred dynamic growth in the museum's collections of art of the ancient Americas. The Gillett G. Griffin Papers reflect Griffin's personal life and relationships as well as his professional work and his donation of objects to the Princeton University Art Museum.

Consists of material relating to Ginerva King's romantic relationship with American author F. Scott Fitzgerald.

Consists primarily of correspondence written by members of the Gipson family of Caldwell, Idaho, as contributions to a family chain letter.

The Giōrgos Vakalo Papers consists primarily of papers by and relating to the Greek painter and stage designer George Vakalo (1902-1991). Included are autograph and typed manuscripts of Vakalo's notes, talks, articles, interviews, TV or radio productions, artwork, as well as his correspondence, notebooks, photographs, and printed matter, such as exhibition art catalogs, magazines, and clippings. Of particular importance are the hundreds pieces of his artwork in a variety of media (ink, pencil, watercolor, conté crayon, engravings) and on a variety of supports (paper, carton, and canvas).

This collection consists of works, lecture note cards, correspondence, an audio tape, and printed matter of American journalist and publicist Glen C. H. Perry (Princeton Class of 1926).

Contains approximately 110 letters by Aldous Huxley written to various friends and associates, including Arnold Bennett, Basil Ashmore, Edith Sitwell, Osbert Sitwell, and the American photographer Sanford Roth, collected by Goodwin Weinberg (Princeton Class of 1929).

Consists of material related to Gordon Hall Gerould's work at Princeton University where he served as a professor of English from 1905 to 1946.

The Gordon Merrick Papers consist primarily of drafts of the manuscripts of Merrick's novels, written over a thirty-nine year period, from the late 1940s ( The Strumpet Wind, 1947) to the mid-1980s ( Measure of Madness, 1986). Also present is his business and financial correspondence with agents, publishers, and banks over a twenty-one year period, from 1967 until his death in 1988. In addition there is a clipping file which dates back to Merrick's first experiences as an actor in the 1930s, as well as photographs taken for publicity as well as for Merrick's personal collection.

Consists of the selected writings and correspondence of American educator and writer, Grace Latimer Jones McClure. Materials primarily relate to her unpublished book, A Clippership Honeymoon, which centers around the diaries of Malvina "Mallie" McClure, the wife of a mid-19th century New England sea captain.

The Bureau of Alumni Records was established in January 1949 as an outgrowth of the records office maintained by the Graduate Council, the governing body of the Princeton University Alumni Association. The collection consists of public files of former graduate students of Princeton University.

The records consist of the academic files of former graduate students of Princeton University. The information contained in each file varies greatly but can include grades cards, Graduate School applications, a photograph of the student, letters of recommendation, as well as biographical information, lists of achievements, news clippings, and obituaries. Please see "Other Finding Aids" under "Find More" for a list of the five finding aids to the Graduate Alumni Records, divided by time period.

The records consist of the academic files of former graduate students of Princeton University. The information contained in each file varies greatly but can include grades cards, Graduate School applications, a photograph of the student, letters of recommendation, as well as biographical information, lists of achievements, news clippings, and obituaries.

The Graduate School at Princeton offers masters and doctorate programs in the humanities, social sciences, natural sciences, and engineering. The Graduate School Records consist of minutes, correspondence, reports, writings, applications, surveys, and memoranda, as well as forms, course listings, and information on examinations and fees.

Consists of photographs of the Greek-American community of New York in the 1940s.

The Green Family Collection consists of correspondence, documents, and printed matter of the Green family of Trenton and Mercer County, New Jersey, including Henry Woodhull Green (Princeton Class of 1820), his parents, Elizabeth and Caleb Green, his brother, John Cleve Green, and his son, Charles Ewing Green.

Grover Cleveland was the twenty-second (1885-1889) and twenty-fourth (1893-1897) president of the United States. After leaving the White House he retired to Princeton, N.J where he was a Trustee of Princeton University. The Grover Cleveland Papers consist of collected research materials regarding Grover Cleveland, his life in Princeton, and his relation to the University.

Hadley Cantril was a psychologist who studied propaganda and public opinion research. The collection includes bound Hadley Cantril Diaries, poll results and reports on Polls During World War II, correspondence, and other reports.

Consists of selected family papers of Princeton resident and historian Henry Ewing Hale.

H. Alexander Smith served as the executive secretary of Princeton University and was later elected to the United States Senate representing New Jersey. Smith made contributions to United States foreign policy while serving on the Senate Foreign Relations Committee. The bulk of documentation focuses on his tenure in the Senate and the period immediately after his retirement; reports, correspondence, and printed material from his work at Princeton are also included. The papers contain diaries, correspondence, speeches, notes, photographs, and memorabilia.

Consists of correspondence, documents, photographs, account books (1925-1975), financial papers, and printed matter of Hamilton Cottier (Princeton Class of 1922, professor of English, 1925-1962), and material relating to "Southlawn," the home of his father, Alonzo Cottier, in Scarsdale, N.Y.

The Hamilton Fish Armstrong Papers consist of correspondence, notebooks, memoranda, material from 1945 United Nations Conference on International Organization, writings especially in relation to Peace and Counterpeace and Tito and Goliath, diaries, scrapbooks, and photographs. The papers document Armstrong's career as editor of Foreign Affairs, his participation in the activities of the Council on Foreign Relations, and his professional involvement and interest in foreign policy from World War I through the 1970s. Included is correspondence with many well known political and literary figures of the time period. Some materials of a personal nature are included but the bulk of the papers relates to Armstrong's professional life. The papers also document Armstrong's participation in many philanthropic activities associated with Yugoslavia.

Consists of Hanna Fantova's collection of Albert Einstein material, as well as some of her own personal papers.

Hans A. Widenmann (1897-1976) was a stockbroker and economist with expertise in national and international monetary affairs. His successful business career was largely spent at Loeb, Rhoades & Company, and he was also frequently called upon to speak about international finance subjects. Widenmann's papers document his career at Loeb, Rhoades & Company and include his correspondence and writings, topical files, and biographical files.

Harlan Cleveland (1918-2008) was a public administrator, ambassador to NATO, and a political scientist. He served in several positions related to the administration of economic aid programs during the 1940s, as an assistant secretary in the State Department and as U.S. ambassador to NATO during the 1960s, and also held positions at three universities and the Aspen Institute. Cleveland's papers document his government service and his work at the Aspen Institute, and include his speech and writings files, as well as correspondence and photographs.

Harley L. Lutz (1882-1975) was an economist with expertise in taxation and public finance who spent his academic career at Oberlin College, Stanford University, and Princeton University. Lutz also served as an advisor on public finance, especially taxation, to the federal and state governments and was an outspoken opponent of increases in government spending. Lutz's papers document his career as an economist, as well as his work as a consultant on taxation and public finance, and include writings, reports, and correspondence.

Harold Boies Hoskins was a businessman, diplomat, and educator working in Middle Eastern affairs. This collection consists of correspondence, diaries, notes, photographs, publications, maps, and professional files that document Hoskins' personal and professional activities, as well as the Hoskins family.

Harold Gardiner Bowen was director of the Naval Research Laboratory (1939-1942), special assistant to the Secretary of the Navy (1939-1947), chief of the Office of Naval Research (1946-1947), and executive secretary of the Thomas Alva Edison Foundation. This collection consists of selected papers of Vice-Admiral Bowen, including speeches, articles, documents, printed matter, and manuscripts for his book Ships, Machinery, and Mossbacks, The Autobiography of a Naval Engineer (Princeton, N.J.: Princeton University Press, 1954).

The Harold Nicolson Papers consists of papers of the English diplomat, journalist, and biographer Harold Nicolson (1886-1968). These papers primarily contain correspondence received by Nicolson, but there is also a large series of letters written by Nicolson to Richard Rumbold, as well as a few to others. Also included in the collection are manuscripts and/or working notes for four of Nicolson's published works. Furthermore, there is a small amount of papers of others, chiefly correspondence by and to Nicolson's wife, "Vita" (Victoria) Sackville-West.

Harold Raymond Medina (1888-1990) was a noted jurist, Princeton alumnus, and creator of a New York State Bar preparation course. This collection includes legal records, personal and professional correspondence, photographs, audio recordings, and teaching materials; in aggregate, they offer a substantial record of Medina's life and work.

Harold R. Medina was a well-known judge and active Princeton alumnus. These records document Judge Harold Medina's role as a trustee of Princeton University, a member of the Graduate Council, and a member of the advisory council for modern languages and literatures.

Consists of research material of American educator and historian Harold Ruland relating to his study of Sebastian Munster (1489-1552) and the history of cosmography and early cartography.

Consists of the personal papers of Philadelphia author, businessman, and philanthropist Harrison S. Morris.

Harry Dexter White (1892-1948) was an economist with expertise in international finance and monetary issues. White served in the United States Department of the Treasury from 1934 to 1946, rising to the position of Assistant Secretary of the Treasury, and was one of the principal architects of the Bretton Woods agreements in 1944 that established the International Monetary Fund and the World Bank. White's papers document his service in the Department of the Treasury and include correspondence and memoranda, notes, and writings.

Consists of manuscripts and related material for four works of fiction by American novelist Harvey Smith (Princeton Class of 1917).

Consists of records of German political and social organizations collected by Childs and articles written by him relating to the political and social climate of the time.

Heath Bowman was a member of the Princeton University Class of 1931. After graduating, Bowman traveled extensively and later became a public affairs officer involved in Chile, Italy, France, and Yugoslavia. The papers consist of Bowman's 68 diaries from 1923 to 1989 and some of his photographs from the West Indies and South America.

Consists of the personal and business correspondence, writings and drafts, promotional material, newspaper clippings, photographs, and sketches of the artist, Hedi Bak.

The Helen MacInnes Papers contain the original manuscripts of twenty-two published novels, miscellaneous articles and speeches, and a play of renown Scottish novelist Helen MacInnes.

The Helenē Vakalo Papers consists of papers by and relating to the Greek art critic and poet Helenē Vakalo (1921-2001). Included are autograph and typed manuscripts of Vakalo's poetry, lectures, articles, and essays, as well as her correspondence, notebooks, loose notes, and memorabilia. There are also official documents, photographs, awards, printed material, and several works by prominent Greek writers and artists. Of particular importance are the unpublished works and early manuscripts, as well as Vakalo's correspondence with her husband, painter, stage designer, art critic, and writer Giōrgos Vakalo, and with numerous distinguished artists and literary figures.

Helmut Meyer was a German-born American citizen who fought for the United States in World War II and founded the Helmut Meyer Literary Agency in New York City. The collection contains files from the Helmut Meyer Literary Agency, propaganda from both the Allies and the Axis from World War II, manuscripts of Meyer's own work, and correspondence from friends and clients.

Consists of selected material by and about Henry De Wolf Smyth, the American physicist and diplomat who figured prominently in the development of atomic energy, the Manhattan Project, and the production of the atomic bomb.

Consists of works, correspondence, and printed matter of Henry Neill Paul (Princeton Class of 1884). Also included is an autograph book and account books of family members.

Consists of personal papers of American astronomer Henry Norris Russell (Princeton Class of 1897), including notes kept by Russell as a student at Princeton (1894-1898), lecture notes when a professor at Princeton, and working notes on scientific and military problems.

Henry R. Labouisse (1904-1987) was a distinguished American diplomat and international public servant. He served as director of the United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA) from 1954 to 1958 and as executive director of the United Nations Children's Fund (UNICEF) from 1965 to 1979. He also served as a United States government official working on the formation and implementation of foreign economic policies during World War II and the 1960s. Labouisse's papers document his career with the United Nations and with the State Department and include correspondence, speeches and publications, as well as biographical and genealogical material.

The Henry Van Dyke Family Papers consists of papers of three generations of the prominent Van Dyke family of New York and Princeton, beginning with Henry Jackson Van Dyke (1822-1891) and his wife, Henrietta [Ashmead] Van Dyke (1820-1893), followed by their children, Henry Van Dyke (1852-1933) and Paul Van Dyke (1859-1933), and ending with Henry van Dyke's son Tertius Van Dyke (1886-1958).

Potter was a lifelong British military officer who attained the rank of brigadier-general. He served in Ireland (1898), South Africa (1901-1902), Egypt and Sudan (1903-1913), and World War I (1914-1918); he retired in 1927. Consists primarily of Potter's lengthy correspondence with his mother and future wife while stationed abroad, often during significant British military operations, including censor-stamped envelopes.

The Herbert S. Gorman Papers consists, for the most part, of manuscripts, galleys, and notes for six of Gorman's historical novels, but includes some photographs of Gorman, bibliographies of his works, and a small amount of correspondence.

Herbert Sidney Langfeld (1879-1958) was an American professor of psychology and prominent academic. This collection includes his diaries, professional correspondence, drafts of lectures and notes, photographs, and various printed material.

Consists of papers of Hereward Carrington, a British spiritualist and investigator of psychic phenomena, including correspondence with other notable figures in his field, photographs of mediums and psychic phenomena, several manuscripts, and two diaries.

Consists of copies of letters by American author Herman Melville that were used by Willard Thorp in his selection of Melville's writings published as Representative Selections (1938), as well as other material about Melville.

Consists of mostly English correspondence and manuscripts of the Austrian author Hermann Broch.

Harrison Freeman Matthews Sr. (1899-1986) was a U.S. diplomat and career ambassador. This collection consists of correspondence, a draft of his memoirs, photographs, clippings, films and miscellaneous papers. It includes correspondence with Elizabeth Luke Matthews and a diary she kept during a visit to her husband in Vichy, France in 1940-42.

The H. H. Hess Papers consists of professional papers, correspondence, and related materials of the American geologist and educator Harry Hammond Hess (1906-1969).

H. Hubert Wilson was a professor in Princeton University's Department of Politics from 1943-1977. The collection consists primarily of published sources on topics of interest to Wilson, as well as materials originating in Wilson's teaching at Princeton, and drafts of a publication titled "This Isn't Princeton".

The papers of Princeton University professor Harper Hubert Wilson document his interest and work in civil liberties. A self described "conservative, anarchist and socialist," Wilson provoked his students to think critically about the social problems confronting society, and to challenge the prevailing assumptions about American politics.

This collection contains more than 2,300 items, including film, videotapes, compact discs, audio cassette tapes, reel-to-reel tape, and record albums and covers a broad range of topics including classical music, alumni reunions, lectures, and interviews.

The Historical Photograph Collection: Alumni Series consists of formal portraits of Princeton University alumni arranged chronologically by class year.

The Campus Life series contains photographs documenting aspects of life as experienced by students, faculty, and staff at Princeton University.

The collection consists of group portraits and other photos of Princeton University classes. Though some photographs depict the classes while their members were students, the majority of the photographs are from alumni reunions.

The Grounds and Buildings Series of the Historical Photograph Collection contains photographs of the grounds and buildings owned by Princeton University. The photographs date from the late 1850s to the present, with the bulk of the photographs dating from the 1870s to the 1940s. Many of these photographs have been digitized and are searchable in Digital PUL.

The Historical Photograph Collection: Individuals series consists of photographs of faculty, administration, trustees, staff, students, and notable visitors to Princeton University.

Consists of several hundred lantern slides containing images of Princeton University, primarily the campus and buildings.

The Student Photograph Albums Series of the Historical Photograph Collection (HPC) contains 180 photographic albums created by Princeton University students. These albums, along with the other photograph collections in the University Archives, help document the experiences of students, faculty, and staff at Princeton University. The albums date from 1851 to 1995, although the bulk date from the 1860s to the 1910s. New accessions are added regularly to the collection.

The Historical Postcard Collection documents the buildings and environs of the Princeton University campus in the form of picture postcards. Featuring both monochrome and color postcards, the bulk of the collection ranges in date from 1900 through the 1960s. Many of the postcards have been digitized and are searchable through Digital PUL.

The Historical Subject Files Collection documents Princeton University history and related topics from 1746 to the present. The collection consists of documents in almost every two-dimensional format: articles, books and booklets, clippings, correspondence, memoranda, non-photographic images, notes, pamphlets, posters, and reports.

Files include correspondence about the founding of Princeton University Libray's William Seymour Theatre Collection, the gala dinner opening night, efforts to enlarge the collection in the 1940 to 1960s, and descriptive writings about the collection by the various curators.

Consists primarily of microfilm and transcripts of letters by American essayist and journalist H. L. Mencken, compiled by Princeton University historian and librarian Julian Boyd for his proposed book of Mencken's letters.

Consists of 108 letters by Mencken to Dent Smith between the years 1938 and 1945, with Smith's side of the correspondence present in carbon copies.

Consists of 110 letters by influential magazine editor and critic H. L. Mencken to David Warren Ryder, a San Francisco area journalist, written mainly from Baltimore and New York between the years 1922 and 1947.

Consists primarily of correspondence between F. Scott Fitzgerald's East Coast literary agent, Harold Ober, and his Hollywood agent, H. N. Swanson, from 20 November 1934 through 4 April 1956.

Consists primarily of family correspondence of John Henry Hobart, a bishop of the Protestant Episcopal Church.

Consists of files pertaining to honorary degree recipients throughout Princeton University's history.

Horton Davies was a Princeton University professor of religion; his wife, Marie-Helene Davies, is author of LAUGHTER IN A GENEVAN GOWN: THE WORKS OF FREDERICK BUECHNER, 1970-1980 (1983). Consists of papers relating to the novelist Frederick Buechner (Princeton Class of 1947) collected or created by Davies.

Howard A. Loeb served as chairman of the board of the Tradesmens Bank and Trust Company of Philadelphia, Pennsylvania and as representative of the Federal Reserve Bank of Philadelphia on the Federal Advisory Council. This collection consists of Loeb's correspondence and printed matter related to these positions.

Howard C. Petersen (1910-1995) was an expert in international economics and foreign trade. He served in the War Department under President Franklin D. Roosevelt, as Assistant Secretary of War for President Harry S. Truman, as National Finance Chairman and fundraiser for the Dwight D. Eisenhower campaigns, and as Special Assistant on International Trade for President John F. Kennedy. Petersen was also a principal drafter of the Selective Service Act, a lawyer, and president of Fidelity-Philadelphia Trust Company. Petersen's papers document his entire career, especially his work with the new Security and Exchange Commission regulations as a lawyer in the 1930s and with the United States War Department during World War II, and include correspondence, articles, and publications.

The collection consists of American consulting engineer and newspaper columnist, Howard W. Ambruster's works, correspondence, miscellaneous material, and printed matter.