Complete in 2 volumes. Volume 1: xxx, 240pp.Volume 2: xxxii, 464pp. Green cloth-covered boards, silver titles on spine. 4to. Volume 1: Lightly bumped front corners, spine ends bumped. Volume 2: Spine heel lightly bumped, top and bottom edges lightly soiled, fore edge just starting to fox. Volume 1 - The United States. Divided into four sections:- 1) Reference Works 2) Historical Background of U.S. Airlines Since 1914 3) Economic and Operational Facets of America's Airlines 4) Individual Passenger Airlines of America, 1914-. Volume 2 - Airliners and Foreign Air Transport. Divided into 5 sections: - 1) Reference Works 2) Historic, Economic and Operational Facets of Foreign Air Transport 3) International Associations and Organizations 4) Airliners 5) Airlines of the World Outside the United States.