Fonds includes correspondence, reports, minutes, notes, photographs, drafts of Johns' unfinished autobiography and related papers, and manuscripts of a considerable number of her articles and speeches the majority of which were published. Among the letters here included are those which Johns wrote to Eileen C. Flanagan during the period 1949-1967, and which the latter has donated.

The collection consists of materials acquired by Special Collections and the University Archives and maintained for purposes of historical research. It includes reports, correspondence, committee minutes, course materials, architectural and other drawings, newspaper and magazine clippings, press releases, posters, brochures, and other published materials. The materials are arranged alphabetically by subject or name (e.g. organisations, University departments, events, buildings/places, and individuals).