The letters in Series 1: Correspondence are primarily personal in nature, though some business correspondence is also included. Most of the correspondence dates from the Birds' time living in the Middle East and India in the 1960s and 1970s, though there are also letters that predate and postdate Eugene's tenure with the Foreign Service. In addition to the Birds' outgoing letters describing their lives to family and friends, the series also contains a large portion of letters that the Birds received from their children and from other Foreign Service families.

William M. Leary (1934-2006) was an aviation historian who wrote his doctoral thesis on the politician H. Alexander Smith. The collection contains materials that Leary consulted in the process of writing his thesis, along with a manuscript of the thesis.

Series 1: Correspondence and Related Material contains general correspondence to and from (mostly to) Tobey while he was living and teaching in Samsun Turkey.

Consists mainly of correspondence and manuscripts of Tobey (Princeton Class of 1940) from the period (1955-1976) when he was a member of the staff of the Turkish Ministry of Education in Samsun, Turkey, teaching English.

Includes letters and memoranda to and from Edwin W. Kemmerer.

Richard T. Arndt (1928-) worked in cultural diplomacy for over two decades for the U.S. Information Agency and the Department of State. The collection contains his papers, speeches, article clippings, and correspondence related to cultural diplomacy.

Paul R. Sweet (1907-2003) was a political intelligence officer for the Office of Strategic Services (OSS) in the Research and Analysis (R and A) branch during World War II. He later worked for the U.S. State Department and was a history professor. This collection documents Sweet's professional life, especially his service in the OSS and his teaching career. The collection also contains family correspondence.

(At events and portraits.)

Series 4, General, 1944-2012 reflects Becker's personal activities. Becker used his financial and analytical skills throughout his career. He created a small file of his position papers, included are documents for the Investment Bankers Association of America, John J. Gilhooley during his bid for New York City Comptroller in 1961, and the Critical Issues Council directed by Milton Eisenhower. Some of these position papers can be found elsewhere in the series, for example the paper on the position of comptroller is found in the portfolio assembled by Becker and within the John Gilhooley correspondence. Other writings in this series include the foreign press reviews from Becker's Army service in the mid-1950s, and a manuscript entitled "Selling Municipal Bonds."

The Eugene M. Becker Papers consist primarily of planning documents, position papers, articles, addresses, correspondence, and scrapbooks which document Becker's career in public service as Budget Director of New York City under Mayor John Lindsay; Assistant Secretary of the United States Army during the Johnson and Nixon administrations; and Chairman of the Advisory Board of the Mentor Group, a research institute focusing on constitutional, legal-economic comparative studies and sponsor of the Forum for US-EU Legal-Economic Affairs, the Forum for Russian Legal-Economic Affairs, and the Central European Forum for Legal-Economic Affairs.

Series 1: Journals of Clarence B. Randall on Foreign Economic Policy includes Randall's journals written between 1948 and 1960 during his tenure as a consultant, as Chairman of the Commission on Foreign Economic Policy, Chairman of the Council on Foreign Economic Policy, and as Special Consultant to President Eisenhower.