Smithsonian Institution Pressc1995Proceedings of the International Conference on the History of Civil and Commercial Aviation / W. David Lewis, general editor
. From airships to airbus : the history of civil and commercial aviation ; v. 2
Smithsonian Institution Pressc1995Proceedings of the International Conference on the History of Civil and Commercial Aviation / W. David Lewis, general editor
. From airships to airbus : the history of civil and commercial aviation ; v. 1