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.