The economic prospects of air transport
By: by Myron W. Watkins ...
Published: 1929
Place of publication: Washington
Language: eng
Number of pages: 18
Subjects: Commercial Aeronautics
Notes: "Reprinted from the September 19th issue of Public utilities fortnightly. Washington, D.C., 1929."

Microfilm. New York, N.Y., Columbia University Libraries, 1997. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1997.