Clyde Leavitt

• Forest protection in Canada, 1912-1914, by Clyde Leavitt
• Protection des forêts au Canada, 1912
• Wood fuel to relieve the coal shortage in Eastern Canada
• Forest protection in Canada, 1912
• Forest protection in Canada, 1913-1914
• Protection des forêts au Canada, 1912
• Protection des forêts au Canada, 1913-1914