Flow of European air traffic
- Description:
- United States. Office of Strategic Services. Research and Analysis Branch. North Decimal Degree 61.466667. South Decimal Degree 37.066667. East Decimal Degree 35.083333. West Decimal Degree -9.583333. "Traffic per route-km. (1935)." No. A-3029. Source: C. Pirath, "Verkehrsstroeme" in Z. f. Verkehrswissenchaft, 1937.
- Publisher:
- [Washington, D.C.] : Office of Strategic Services, Branch of Research and Analysis, 1944.
- Subject(s):
- Air travel and Europe—Maps
- Held by:
- Princeton
- More details at
- https://catalog.princeton.edu/catalog/6865717
