Papers, 1786-1875, of John and Sarah Thomas, including John Thomas's journals and memoranda books, 1821-1875, including his religious reflections, life in England and Tonga, and missionary work; sermon notes, undated; manuscripts on Tonga and the South Seas, including mythology, religion, history, and ranks of chiefs, undated; photographs, prints and drawings, most unlabelled, of people and places in Tonga, undated [1820s-1850s?]; two accounts of the life of Sarah Thomas by John Thomas [1867 or after]; miscellaneous correspondence, 1825-1873, of John and Sarah Thomas, including letters from John Thomas to Wesleyan Mission House; journals of Sarah Thomas (née Hartshorn), 1826-1855, including her experiences in Tonga; account book for building a new Methodist chapel in Glasgow, 1786-1792; steward's account book, 1813-1820, of the Methodist Society, Glasgow, including Leaders' meetings minutes, 1813-1820.

Papers, c1909-1976, of Sister Gladys Stephenson, comprising diary of journey to China, 1915; journals of visits to Korea and Peking, 1926, 1936 and undated; journal of her time in the internment camp, 1942-1945; diaries recording daily events, 1946-1971; long letter from Gladys Stephenson, 1945, from the Shanghai internment camp recounting her experiences, and typescript copies; manuscript and typescript accounts of a journey to Hong Kong, Malaya and the Holy Land, 1961; other typescript and manuscript notes, accounts, or addresses by Gladys Stephenson recounting her experiences, largely undated, including one relating to the great floods (1931); two photographs of a chapel used by the Methodist hospital, Hankow, and papers relating to a stained glass window, 1940; printed material on Christianity, missionary work and missionaries, nursing and training, and other aspects of life in China, including hospitals in Hankow, 1909-1976, largely dating, 1920s-1960s.