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