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.