Encyclopedia of space science and technology / Hans Mark, ed. ; Vol. 1: [A - L]
Encyclopedia of space science and technology / Hans Mark, ed. ; Vol. 2: [M - Z. Index]
Encyclopedia of transportation / [ed. board: Enoch J. Durbin ...] ; Vol. 1: Ac - Av
Encyclopedia of transportation / [ed. board: Enoch J. Durbin ...] ; Vol. 2: Ba - Eu
Encyclopedia of transportation / [ed. board: Enoch J. Durbin ...] ; Vol. 3: Ex - Mo
Encyclopedia of transportation / [ed. board: Enoch J. Durbin ...] ; Vol. 4: Mo - Sa
Encyclopedia of transportation / [ed. board: Enoch J. Durbin ...] ; Vol. 5: Sa - Ta
Encyclopedia of transportation / [ed. board: Enoch J. Durbin ...] ; Vol. 6: Ta - Ze, index
Encyclopedia of transportation : social science and policy
John Deere two-cylinder tractor encyclopedia; [the complete model-by-model history]
Pictorial encyclopedia of ocean liners, 1860-1994 : 417 photographs
The airline encyclopedia : 1909-2000 / Myron J. Smith ; Vol. 1: [Company profiles A - C]
The airline encyclopedia : 1909-2000 / Myron J. Smith ; Vol. 2: [Company profiles D - P]