- Sanborn Map Company2,057
- Rumsey, David, 1944-134
- Stanford Geospatial Center76
- United States. Army Map Service.67
- United States. Army Map Service,59
- Virtual Shanghai Project36
- Brock & Weymouth Inc.25
- United States. Army. Corps of Engineers25
- San Francisco Redevelopment Agency (San Francisco, Calif.)21
- Arrowsmith, John, 1790-187310
- Radefeld, Carl Christian Franz, 1788-18749
- Sanborn Map Company.9
- Society for the Diffusion of Useful Knowledge (Great Britain)9
- Jefferys, Thomas8
- Clarke, W. B.5
- Gotthard, A.5
- Humboldt County Building & Planning Department5
- Kitchin, Thomas5
- Bartholomew, J. G. (John George), 1860-19204
- Cary, John, ca. 1754-18354
