This addition to the fonds consists of articles and booklets written by Frank Morris; manuscripts and published articles by Douglas Sadler; correspondence, minutes of meetings relating to Sadler's involvment in environmental and naturalist issues and activities; correspondence relating to Teacher's College and several issues of the Young Naturalist.

This addition to the fonds consists of bird spotting forms for the Ontario Breeding Bird Atlas and Ontario Breeding Bird Atlas error forms. Also included in the fonds are numerous publications and newsletters from various naturalist clubs across Ontario.

Item is a Peterborough Ecology Strategy draft interim report, submitted by project coordinator Jean Greig to the Ecology Strategy Steering Committee for their review and comment, 1991.