Fonds consists of records documenting John Patterson's involvement with both the Muskoka Lakes Association and the Canadian Coalition on Acid Rain. Fonds is divided into two series, the Muskoka Lakes Association series and the Canadian Coalition on Acid Rain series. Fonds contains correspondence, agendas, minutes, financial reports, budgets, Muskoka Lakes Association Newsletters, Muskoka Lakes Association Yearbooks, reports, notes, advertisements, newspaper clippings, and photographs.

Fonds consists of materials created and accumulated by members of the Innis family including by Anne Innis Dagg, Donald Innis and Harold Innis. Includes essays, photographs, clippings, and materials relating to the Mary Quayle Innis Foundation.