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.

The Collection on Dr. J. Heng Liu consists of primary and secondary source materials on his medical education abroad and his career at the PUMC as well as other materials relating to medical education in China before and during the Sino-Japanese War, mostly dating from 1922 to 1946. Materials include the oral history interview transcript conducted by the Chinese oral history project, incoming and outgoing correspondence of Dr. Liu, reports on the political situation in China, as well as other articles and publications about the PUMC, western medicine, and medical education in China.

Correspondence, manuscripts, documents, lists, and subject files of the Mexican Communist Party (Partido Comunista Mexicano) from the 1950s. Included are organizational records of the national party as well as many local groups, and folders on a great range of topics including workers in the petroleum industry, teachers, relations with other national communist parties, finances, front groups, factionalism within the party, party conferences, party history, and biographical data.

The Shih-hui Hsiung (Shihui Xiong) papers consist of materials documenting Hsiung's life and political career from 1907 to 1974. The highlights of the papers are the manuscripts, which include six volumes of Hsiung's memoir, seven volumes of diaries over 43 years, and approximately 440 original handwritten speech scripts. The photographs and political and military affairs related documents focus on Hsiung's active involvement in the northeast region and abroad from 1930 to 1948. The papers overall consist of correspondence, calligraphy scrolls, diaries, a diploma, documents, letter books, manuscripts of published and unpublished works, maps, newspaper clippings, notes, oversize military notices, poems, photographs, photograph albums, reports, and other materials.

The Tingfu Tsiang papers contains materials relating to Dr. Tsiang's life and his career as a Representative to the United Nations and an Ambassador to the United States, between 1942 and 1965. Materials included are correspondences, memoranda, press release, documents, statements, and news clippings.

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.