The fonds consists of correspondence, war records, manuscripts, articles and book reviews, essays and stories, published works, projects, speeches and addresses, photographs, diplomas and certificates, and artifacts relating to his life as a renowned pathologist, researcher, teacher, administrator, essayist and writer.
The collection consists of an album and a number of loose photographs relating largely to members of the Duff family, including Christina Duff, a military nurse, and others, before, duirng, and after World War One.
Fonds consists of several statements of fees for students attending Queen's University at Kingston, and the "Fall Programme" for the Queen's University Canterbury Club.
Fonds consists of photographs of various faculty of the Faculty of Medicine lecturing to students, various buildings on the Queen's campus, and an Anatomy class in the Old Medical Building.