Butcher, Devereux. Exploring the national parks of Canada. - Washington, National Parks Association [1951] - 84 p. illus., map. 25 cm. "For further reading": p. 81-82. LCCN: agr51000085 Subjects--Topical Terms: National parks and reserves--Canada. LC Class. No.: F1011 / .B8 Dewey Class. No.: 917.1