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- SpringerLink (Online service)575
- ebrary, Inc504
- Project Muse279
- Oxford University Press88
- ProQuest (Firm)67
- Cohen, I. Bernard, 1914-200330
- Needham, Joseph, 1900-30
- Project Muse, distributor27
- Kuhn, Thomas S.26
- Sarton, George, 1884-195626
- Bowler, Peter J.25
- Holmes, Frederic Lawrence24
- Kragh, Helge, 1944-24
- Lloyd, G. E. R. (Geoffrey Ernest Richard), 1933-23
- Pais, Abraham, 1918-200022
- Geological Society of London21
- Rāshid, Rushdī20
- Fox, Robert, 1938-19
- Heilbron, J. L.19
- Knight, David M.19