Addition to the fonds consists of maps and project plans for various Ontario Provincial Parks. S. R. Gage was not involved in writing the plans, but made notes and annotations throughout.

This fonds consists of the administrative records of the National and Provincial Parks Association of Canada (NPPAC), as well as correspondence, reports, and newsletters. Also included are materials relating to various national parks in Canada.

This fonds consists of personnel files, general correspondence, financial records and publication materials all relating to the National and Provincial Parks of Canada. This includes many files on environmental concerns and the involvement of the Association.