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- Ordnance Survey of Great Britain and Ireland22
- Royal Geographical Society (Great Britain). Geographical Section22
- United States Coast Survey22
- United States. Office of Strategic Services21
- Edward Stanford Ltd20
- Royal Geographical Society (Great Britain)20
- U.S. Coast and Geodetic Survey20
- J.H. Colton & Co19
- George Philip & Son18
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- Jefferys, Thomas, d. 177116
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- British Columbia. Dept. of Lands15