Series consists of records documenting Sadler's involvement in various naturalist and environmental initiatives with businesses, government bodies, and other organizations. Records document The Outdoorsman Magazine, Campbell Productions documentary films, the Design Canada Education Seminar and Workshop Program, the Ontario Department of Lands and Forests, the Provincial Wayside (Roadside) Conference (sponsored by the Otonabee Region Conservation Authority (ORCA) and The Federation of Ontario Naturalists) in Peterborough in 1965. Series also includes significant documentation on the Peterborough City/County Waste Management Study. Sadler was the chairman of the Public Liaison Committee that assisted with communication between the public and the Waste Management Steering Committee.
This newspaper was published in [Regina, Saskatchewan] and includes poetry and articles on substance abuse among the young, education, Indigenous rights, and health.
This newspaper was published in Vancouver, B.C. and includes articles on Indigenous nursing, aboriginal rights, storytelling, Meech Lake, and land claims.