| Book | Save | 1 | Title: | Air transportation: report of Subcommittee on Air Transport of the Railroad Committee for the Study of Transportation
| | | Creator: | Association of American Railroads Railroad Committee for the Study of Transportation. | | | Publication: | Assn. of American Railroads, Washington],1947. | | | Notes: | Cover-title. | | | Call #: | TL521 A8 1947 | | | Extent: | 127 p. : illus. ; 28 cm. | | | Subjects: | Aeronautics, Commercial -- United States | Airlines -- United States
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Book | Save | 2 | Title: | Initial study of air transportation
| | | Creator: | Association of American Railroads Railroad Committee for the Study of Transportation. | | | Publication: | Association of American Railroads, Railroad Committee for the Study of Transportation (Subcommitte on Air Transport), Washington],1944. | | | Notes: | Cover-title. | | | Call #: | TL521 A8 | | | Extent: | 63 p. illus. (incl. maps) diagrs. 28 x 22 cm. | | | Subjects: | Aeronautics, Commercial -- United States | Airlines -- United States
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