- EROS Data Center9
- Radefeld, Carl Christian Franz, 1788-18749
- Society for the Diffusion of Useful Knowledge (Great Britain)9
- Jefferys, Thomas8
- Sullivan, Elaine A.8
- Conrad, Jamie E.7
- National Center for Ecological Analysis and Synthesis7
- Ritchie, Andrew C.7
- Food and Agriculture Organization of the United Nations6
- Kitchin, Thomas6
- Clarke, W. B.5
- GeoX Kft.5
- Gotthard, A.5
- Bartholomew, J. G. (John George), 1860-19204
- Cary, John, ca. 1754-18354
- Faden, William, 1749-18364
- L'Isle, Guillaume de, 1675-17264
- Ocean Imaging, Corp.4
- San Francisco (Calif.). Department of City Planning4
- Sliter, Ray W.4
