The collection contains the Holmes Gold Medal, photographs, certificates, a poem, letters, newspaper clippings and memoirs.

The collection contains a photo album of classmates and Annie Hall, and three diplomas McGill MD, CM 1891, Ontario College of Physicians and Surgeons, 1891, and the Quebec College of Physicians and Surgeons 1892.

Collection consists chiefly of photographs of Harold N. Segall, Assistant Professor of Medicine at McGill (1949-1960) and President of the Canadian Heart Foundation, Montreal Cardiac Society, and the Quebec Heart Foundation, as well as his parents, brother Jerry Segall, friends, and colleagues. Photographs depict Segall's childhood and early career. There are also some photographs and textual records relating to Segall's association with professional societies and Montreal hospitals, namely the Canadian Heart Association, Montreal General Hospital, and the Jewish General Hospital.