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- United States. Office of Strategic Services. Research and Analysis Branch193
- United States. Army Map Service171
- Great Britain. War Office. General Staff. Geographical Section143
- Rand McNally and Company133
- Geological Survey (U.S.)46
- United States. Department of State. Division of Map Intelligence and Cartography42
- National Geographic Society (U.S.). Cartographic Division36
- Mexico. Dirección de Estudios Geográficos y Climatológicos29
- United States. Army. Corps of Engineers27
- Automobile Club of Southern California23
- C.S. Hammond & Company22
- Canada. Dept. of the Interior22
- H.M. Gousha Company22
- Ordnance Survey of Great Britain and Ireland22
- Royal Geographical Society (Great Britain). Geographical Section22
- Great Britain. Ordnance Survey20
- United States. Office of Strategic Services20
- Royal Geographical Society (Great Britain)19
- United States. General Land Office19
- National Geographic Society (U.S.). Cartographic Section18