Encyclopedia of transportation : social science and policy
Encyclopedia of aerospace engineering
Encyclopedia of aerospace engineering
The airline encyclopedia : 1909-2000 / Myron J. Smith ; Vol. 2: [Company profiles D - P]
The airline encyclopedia : 1909-2000 / Myron J. Smith ; Vol. 1: [Company profiles A - C]
Encyclopedia of transportation / [ed. board: Enoch J. Durbin ...] ; Vol. 4: Mo - Sa