TY  - BOOK
AU  - Spencer,Francis A.
TI  - Air mail payment and the government
T2  - Publication / Institute of Economics of the Brookings Institution
AV  - Microfilm 88/3405 (H) 
PY  - 1941///
CY  - Washington, D.C.
PB  - Brookings Institution
KW  - Air mail service
KW  - U.S
KW  - Local
KW  - Aeronautics, Commercial
ER  -