Explorations with sugars : how sweet it was /

حسب Lemieux, Raymond U., 1920-
منشور في 1990

Geologists and ideas : a history of North American geology /

منشور في 1985

Inventing Canada : early Victorian science and the idea of a transcontinental nation /

حسب Zeller, Suzanne Elizabeth
منشور في 1987

Wildlife, conservation, and human welfare : a United States and Canadian perspective /

حسب Taber, Richard D.
منشور في 2003