- Erdey, Mercedes D.27
- United States Engineer Office25
- United States. Army. Corps of Engineers25
- Bretz, Carrie K.21
- San Francisco Redevelopment Agency (San Francisco, Calif.)21
- National Geophysical and Solar-Terrestrial Data Center19
- Johnson, Samuel Y.15
- National Atlas of the United States14
- Arrowsmith, John, 1790-187310
- Finlayson, David P.10
- EROS Data Center9
- Radefeld, Carl Christian Franz, 1788-18749
- Society for the Diffusion of Useful Knowledge (Great Britain)9
- Jefferys, Thomas8
- Conrad, Jamie E.7
- Kitchin, Thomas6
- Ritchie, Andrew C.6
- Clarke, W. B.5
- GeoX Kft.5
- Gotthard, A.5