Frederick, John H. 1896-
Commercial air transportation / John H. Frederick - Rev. ed. - Chicago : R.D. Irwin Inc., 1946. - xviii, 791 p. : ill., maps, tables, diagrs. front. ; 24 cm.
"Revised edition, first printing, August 1946."
Includes bibliographical references and index.
Microfilm.
New York, N.Y.,
Columbia University Libraries,
1996.
1 microfilm reel, 35 mm.
(NNC)MN96-83462-1 ZCU
Aeronautics, Commercial--United States.
387.7 / FRC
Commercial air transportation / John H. Frederick - Rev. ed. - Chicago : R.D. Irwin Inc., 1946. - xviii, 791 p. : ill., maps, tables, diagrs. front. ; 24 cm.
"Revised edition, first printing, August 1946."
Includes bibliographical references and index.
Microfilm.
New York, N.Y.,
Columbia University Libraries,
1996.
1 microfilm reel, 35 mm.
(NNC)MN96-83462-1 ZCU
Aeronautics, Commercial--United States.
387.7 / FRC