The fonds consists of thirty diaries and one notebook covering the years 1932 to 1960. The diaries and notebooks reflect the work the Somerville undertook during that time and include work at Niagara Parks, Queen Elizabeth Highway, and Fort Henry.

Fonds consists of the diaries (2 volumes) of William Smith, containing a detailed narrative of his activities in England and his first seven months in Quebec dated January 1784 to May 1787. The entries cover events, institutions, political affairs and descriptions of persons encountered by W. Smith. The first volume includes one of the only accounts of Canadian affairs from a London vantage point given that the papers of Sir Guy Carleton were destroyed. The second volume deals predominantly with Quebec.

The fonds consists of: correspondence, both written and received by W.W.Campbell from a variety of family members and friends, including Charles G. D. Roberts, the Earl of Aberdeen, Pauline Johnson, and Archibald Lampman; diaries; manuscripts, typescripts and printed copies of dramatic works, poetry and prose; clippings scrapbooks of reviews, comments and articles; photographs and other personal documents.