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- Geological Survey of Canada128
- United States National Museum69
- British Museum (Natural History). Department of Zoology61
- Rand Corporation60
- Koninklijke Vlaamse Academie voor Wetenschappen, Letteren en Schone Kunsten van België58
- Akademii︠a︡ nauk SSSR56
- Unesco52
- National Research Council (U.S.)47
- Smithsonian Institution45
- British Museum (Natural History). Department of Geology43
- Gauss, Carl Friedrich, 1777-185543
- Darwin, Charles, 1809-188241
- Organisation for Economic Co-operation and Development41
- Asimov, Isaac, 1920-199239
- American Philosophical Society38
- Huxley, Julian, 1887-197537
- Smith, David Eugene, 1860-194437
- American Association for the Advancement of Science36
- Ostwald, Wilhelm, 1853-193236
- Thomson, J. Arthur (John Arthur), 1861-193334