The collection includes deeds and documents, 1626-1871, relating to members of Griffith Evans's family; family personalia, [c. 1830]-1887; portraits and photographs, 1852-1931; professional diplomas awarded to Griffith Evans, 1855-1870; papers deriving from his career, 1872-1917; papers relating to the discovery of Trypanosoma Evansi in Surra, 1880-1935; general tributes paid to Griffith Evans, 1931-1935; tributes paid to him on the occasion of his hundredth birthday and papers relating to the birthday celebrations, 1935; miscellaneous papers found in his wallet after his death; extracts from diaries and notes made with a view to the preparation of an autobiography, 1869-1942; extracts from letters and books made by Dr Erie Evans; academic notes and transcriptions of documents made by Griffith Evans; offprints, monographs and other printed materials, 1822-1931; religious questionnaires, 1926, on personal attitudes towards religion and religious experiences; general correspondence, 1857-1935, addressed to Griffith Evans; press cuttings; miscellaneous photographs and prints; and extracts from Griffith Evans's journal of his visit to North America from Canada, 1864.