The fonds consists of records accumulated by Roy Merrens as a result of his activities as a geographer, professor, and member of various associations, authorities, and boards. The records have been physically arranged by the creator by subject; the original order has been maintained. They include maps, correspondence, minutes and agenda of meetings, mailing lists, reports, drafts, notes, press releases, proposals, copies of legislation, affidavits, telegrams, statistical data tables, newspaper clippings, journal articles, photographs, slides and a postcard. Also included is a file containing articles and reports about the geography, landscape and architecture of York University.