The fonds consists of photographs depicting scenery, towns, and homes in various locations in B.C. as well as portraits of the Mainwaring family.

The fonds consists of portraits and photographs depicting ships and scenes of New Westminster, Vancouver, and Victoria.

Fonds consists of materials documenting the life and career of William Rose, and includes correspondence (1905-1967), diaries (1895-1939), drafts of manuscripts, articles, translations, poetry, lecture notes, published materials (including clippings), offprints, and photographs. Among these are several pieces written under his pseudonym Jan Rozycki. The records are arranged in the following series: Correspondence, Published Works, Reports, Notes, Notebooks, Diaries, Manuscripts, Translations, Reviews, Publications About Rose, Works by Others, Rose Family Records, and Photographs.

The fonds consists of handwritten and typed manuscripts of short stories [n.d.], a painting of a seascape (1933), and a scrapbook filled with assorted memorabilia gathered between 1916 and 1933.