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The air mail service in the United States ... / by Ching-Nan Chang.
LIBRA 378.748 POA1939.7
Available from offsite location
LIBRA 383.1 C363
Available from offsite location
- Format:
- Book
- Manuscript
- Thesis/Dissertation
- Author/Creator:
- Chang, Ching-Nan.
- Language:
- English
- Subjects (All):
- Penn theses--Economics.
- Economics--Penn theses.
- Local Subjects:
- Penn theses--Economics.
- Economics--Penn theses.
- Physical Description:
- 3 leaves, 123 numbered leaves ; 29 cm
- Production:
- [Philadelphia], 1939.
- Notes:
- Thesis (M.A. in Economics)--Graduate School of Arts and Sciences, University of Pennsylvania, 1939.
- Bibliography: l. 119-123.
- OCLC:
- 63659559
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