Creator
- England. Research Department, Foreign Office. (65)
- Defense Mapping Agency Aerospace Center (41)
- Aeronautical Chart and Information Center (36)
- New Zealand. Lands and Survey Department. (35)
- Directorate of Colonial Surveys (30)
- England. Directorate of Overseas Surveys. (30)
- England. Directorate of Overseas Surveys (24)
- U.S. Naval Oceanographic Office (20)
- American Geographical Society (19)
- Naval Oceanographic Office (19)
- U.S. Navy Hydrographic Office (16)
- United States Department of the Interior Geological Survey (15)
- Aeronautical Chart and Information Center, United States Air Force (13)
- England. Directorate of Colonial Surveys. (10)
- England. (9)
- Harrison & Sons, LTD. (9)
- Hydrographic Office, U.S. Navy (9)
- British Antarctic Survey, Natural Environment Research Council. (8)
- Argentina. Hidrografía Navel de la Scretaría de Marina. (7)
- New Zealand. (6)