The economics of air mail transportation
By: by Paul T. David
Series: [Brookings Institution. Publications ... Miscellaneous series]; Publications (Brookings Institution)
Publisher: The Brookings Institution
Published: 1934
Place of publication: Washington, D.C
Language: eng
Number of pages: 235
Subjects: Air mail service; Aeronautics; Law and legislation
Notes: "Select bibliography": p. 225-230.

Microfilm. New York, N.Y., Columbia University Libraries, 1996. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1996.