Occasional paper / Canadian Wildlife Service. Iss. under the authority of the Department of Fisheries and Forestry - Canadian Wildlife Service (Ottawa Information Canada, 1957)
Beteil. Körp. anfangs: Department of Northern Affairs and National Resources, Natural and Historic Resources Branch; teils: Department of Northern Affairs and National Resources, National Parks Branch; später: Minister of the Environment
A/C
Keywords: Monografische Reihe