- Fachhochschule Mainz (Mainz, Rhineland-Palatinate, Germany)44
- HGIS Germany (Andreas Kunz, Leonhard Dietze)44
- IEG-Maps / Berlin Data Pool (Andreas Kunz, Robert Moeschl)44
- Institut fur Europaische Geschichte (Mainz, Rhineland-Palatinate, Germany)44
- Harvard Map Collection, Harvard Library12
- Harvard Map Collection, Harvard College Library10
- Hijmans, Robert J.3
- L'Isle, Guillaume de, 1675-17263
- Army Map Service2
- Blaeu, Willem Janszoon, 1571-1638.2
- Hendschel, U.2
- Hevelius, Johannes, 1611-16872
- Mortier, Pierre2
- Prussian Geological Institute2
- Sanson, Guillaume2
- Schenk, Peter, 1661-17112
- Starowolski, Szymon, 1588-16562
- Wit, Frederik de.2
- Alberti, Leandro, 1479-15521
- American Geographical Society of New York1