Digital Maps and Geospatial Data | Princeton University
Town plan of Beograd (before 1937)
- United States. Office of Strategic Services. Research and Analysis Branch
- [Washington, D.C.] : Office of Strategic Services, Branch of Research and Analysis, 1943.
United States. Office of Strategic Services. Research and Analysis Branch. Index of public buildings and military installations. Reliability code: 2B-2B-2. 1943
- Military bases, World War, 1939-1945, City blocks, and Serbia and Montenegro—Maps
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