Author/Creator
- Schomburg Center for Research in Black Culture82
- Turner, Kenzie J.79
- United States. Bureau of the Census. Geography Division76
- Indian Map Service73
- Afghanistan. Idārah-i ʻUmūmī-i Jiyūdīzī va Kārtūgrāfī70
- Davis, Philip A. (Philip Arthur), 1950-66
- Bohannon, Robert G.63
- Jacob, Fabiola62
- Arya, R. P.61
- University of London. School of Oriental and African Studies56
- Clark, Perry S.53
- United States. Bureau of the Census53
- Eicher Goodearth Limited45
- United States. National Oceanic and Atmospheric Administration45
- NOAA National Ocean Service43
- Afghan Geological Survey41
- Nag, Prithvish41
- United States. Bureau of Land Management37
- International Publications (Firm : Delhi, India)36
- Planetary Geology and Geophysics Program (U.S.)36