Consists of data, notes, graphs, photographs, and inventories related to the experiments of Walker Bleakney.

Photos of countries, people, subjects gathered for book use (such as Album of American History), and of company staff, offices, buildings, and selected authors

Consists of the letters of individuals such as George Pierce Baker, Benjamin Harris Brewster, Andrew Carnegie, Samuel Langhorne Clemens, and Theodore Roosevelt, as well as others.

The Audiovisual series consists of videotapes and sound recordings documenting Baker's career in government and politics. The majority of tapes in the series are VHS videotapes of Baker's appearances on television news programs or recordings of television news stories that include mention of Baker. Some recordings of speeches and public appearances are also available. The videocassettes created between 1988 and 1992, during Baker's years at the State Department, often contain multiple programs or events on a single tape. In addition to the contents list, a more detailed index to the State Department "Master Tapes" is available in Box 262.

This series consists of a variety of materials of family members not represented elsewhere in the collection. Included are diaries, correspondence, documents, photographs, including photographs of White, Poole, Morris, and other related families, genealogical papers, various ephemera, and printed matter. Among the miscellaneous family material can be found papers of the Delafield Family Association, a review of John Ross Delafield's Delafied: The Family History (1945), book plates, information about the "triple funeral" of Joseph, Henry, and Edward Delafield, correspondence concerning the Delafield family in the U.S. Army, a pamphlet by John Ross Delafield about the family vault in Green-Wood Cemetery, Brooklyn, New York, photocopies of several pages of genealogy in the oldest known family Bible (1713), as well as other general material, and printed matter.

The Khuzestan Development Project (Iran) series contains the records pertaining to D's development work in the Khuzestan Region of Iran from 1956 to 1979, as well as a small number of projects that extended into the rest of the country. The records predominately document D's construction of the Dez Dam and related work with irrigation and agriculture, and also include correspondence files and other records pertaining to the management of the region's development. Please see the subseries descriptions in the contents list for additional information about individual subseries.

Series 7: Publications About or Relating to David E. Lilienthal includes magazine or professional journal articles about Lilienthal, the organizations he worked for, or subject matter related to his professional career (e.g., atomic energy).

This series consists of miscellaneous papers, ranging in date from the late-13th to the mid-20th century, amassed primarily by John Ross Delafield reflecting his interest in history, particularly his interest in collecting family history family-related memorabilia. Similar to a subject file, the series includes papers created by as well as research and genealogical materials about families related to the Delafields and various other persons (particularly political figures) as well as miscellaneous materials documenting various places and subjects. There are as little as one item or up to several folders associated with each name and topic represented; and while a good number of items are original, a significant amount are copies of original documents. Found throughout this series is the correspondence of John Ross Delafield relating to his research and collecting efforts.

Diverse notes and memoranda slips, including reading notes, library request slips, bibliographic excerpts and memoranda, and memoranda books. Extensive notes on history, philosophy and theology, especially the works of Gottfried Wilhelm von Leibniz (primary and secondary sources). Largely in Gabelsberger shorthand.