Extensive correspondence, diaries, writings, collected material, and photographs document the medical mission work of Lorenzo and Ruth Bennett Morgan in Jiangsu and Anhui provinces as well as Lorenzo Morgan's internment in Shanghai during World War II. The work of mission hospitals, famine relief, plague treatment, mission politics, mission family life, and political events in China are documented. The Morgans were medical missionaries in China, serving under the Presbyterian and Methodist mission boards from 1905 to 1946.