Correspondence and letter books, 1845-1889, of Charlemagne Tower, as well as legal and business papers related to real estate transactions, coal and iron lands in Pennsylvania, and the family affairs of the Tower family.

The Chen Lifu papers (陳立夫檔案) mainly document his involvement in Chinese politics during the Republican era, dating from 1926 to 1989, with the bulk dates from 1926 to 1951. The papers consist of correspondence, portrait, meeting documents, reports, plans, speeches, writings, memoir, and printed materials. The papers focus on Chen Lifu's political career as the Head of the Central Bureau of Investigation and Statistics and the Minister of Education, as well as his general involvement in politics dating from 1926 to 1949.

The Chinese oral history project collection (中國口述歷史項目檔案) provides a wealth of information on the development of the project and its interviews with eminent Chinese political figures abroad in the United States and Hong Kong from 1958 to 1980s. The highlights of the collection consist of the administrative subject files, correspondence, interview photographs and reports, transcript drafts, collected autobiographies and manuscripts, audio recordings, and card files of names mentioned in the transcripts.

This collection contains the personal and professional papers of Marxist scholar and editor Herbert Joseph Putz written under the pseudonym Erik Bert.

James Lawrence Fly papers consist of correspondence, manuscripts, drafts, notes, reports, legal briefs and other documents, books, clippings, and other printed materials dealing with Fly's professional activities and relationships in all three phases of his career. Correspondents include Roger N. Baldwin, Felix Frankfurter, Cordell Hull, Elmer Rice, Franklin D. Roosevelt, and Harry Truman.

This collection contains the personal and professional papers of Sylvia Ardyn Boone, a scholar of Art History with a focus on African art, and the first African-American woman to receive tenure at Yale University. The collection includes manuscripts, correspondence, course materials and syllabi, research notes, printed materials, photographs, video and sound recordings, and other papers relating to professional projects. Also included are dissertation manuscripts for recipients of the Sylvia Ardyn Boone Memorial Prize at Yale.

The V. K. Wellington Koo papers document the diplomatic legacy of Wellington Koo as a Chinese statesman and diplomat of the 20th Century. The papers primarily consist of materials collected during Koo's diplomatic career, relating to the Lytton Commission, 1932-1933; the League of Nations, 1931-1940; the United Nations, 1944-1946; his ambassadorships to France, 1932-1941; to Britain, 1941-1946; to the United States, 1946-1956; as the Senior Advisor to the Republic of China from 1956; and as the Judge on the International Court of Justice, 1957-1966. The materials include correspondence, diaries, memoranda, manuscripts, documents, notes, speeches, maps, photographs, printed material, and audio visual material. The bulk of the materials emphasizes China's domestic and foreign affairs, such as the Sino-Japanese conflict, World War II and the Cold War in the Far East region, as well as the League of Nations and the United Nations.