- Geographers' A-Z Map Company.28
- Plans-guides Blay (Firm)26
- Great Britain. War Office. General Staff. Geographical Section.25
- Louisiana Geological Survey.25
- Clarke, W. B.23
- United States. Bureau of the Census.23
- United States. Bureau of the Census, cartographer, issuing body.22
- Litografia artistica cartografica.21
- Rand McNally and Company, cartographer, issuing body.21
- Pakistan Tourism Development Corporation.20
- Chishitsu Chōsajo (Japan)18
- Mairs Geographischer Verlag.18
- Feltis, R. D. (Richard D.), 1930-17
- Rand McNally and Company.17
- Australia. Bureau of Mineral Resources, Geology and Geophysics.16
- United States. Office of Strategic Services. Research and Analysis Branch.16
- Boston Redevelopment Authority, cartographer, issuing body.15
- Di tu chu ban she.15
- Jennings, Charles W. (Charles William), 1927-15
- National Earthquake Information Center.15