The fonds includes a collection of AIDS activism materials, with an emphasis on its manifestation in Canada's visual art world, through the collections of Mr. John A. Schweitzer and others. Several of the documents have been signed by either John A. Schweitzer or Robert Mapplethorpe. The materials in the collection include posters, press releases, conference programs, exhibition catalogues, exhibition invitations, exhibition ephemera, programs, brochures, tear-sheets, auction catalogues, and reviews.