Air Mails of Canada 1925-1939 (Spiral Bound)
Manufacturer: BNAPS Books Department
Air Mails of Canada 1925-1939, 2000 by George B. Arfken & Walter R. Plomish. The development and postal history of national and international air routes in and from Canada. Rate charts for all destinations. A valuable reference. Spiral bound, 238 pp.