- Jansson, Jan, 1588-1664. Appendix Atlas of the British Isles and Northern Europe1
- Knight, Joe F.1
- Magistrat Wien - Magistratsabteilung 41 - Stadtvermessung1
- Maryland iMap1
- Mercator, Gerhard, 1512-15941
- Metropolitan Council1
- NYS Department of Agriculture and Markets1
- New York State Department of Energy Conservation Bureau of Air Quality Surveillance1
- Pownall, Thomas1
- Rampi, Lian P.1
- Rogers, Henry Darwin1
- Sanborn Map Company1
- Sällskapet för Finlands geografi, Helsingfors1
- Stanford Geospatial Center1
- U.S. Geological Survey (USGS) and Minnesota Department of Natural Resources (DNR)1
- U.S. Geological Survey and Minnesota DNR1
- US Census Bureau, Geography Division1
- Uganda Bureau of Statistics1
- United States. Bureau of the Census1
- Vignaud, Henry, 1830-1922, former owner.1