Skip to search
Skip to main content
- Geological Survey (U.S.)68
- Weaver, Charles E. (Charles Edwin), 1880-19588
- Merriam, John C. (John Campbell), 1869-19456
- Geological Survey of Great Britain5
- Scudder, Samuel Hubbard, 1837-19115
- Smithsonian Institution. Press5
- Ray, Clayton Edward4
- Richey, J. E. (James Ernest), 1886-4
- Vaughan, Thomas Wayland, 1870-19524
- American Geophysical Union3
- Arnold, Ralph, 1875-19613
- Berry, Edward Wilber, 1875-19453
- British Museum (Natural History)3
- Cooke, C. Wythe (Charles Wythe), 1887-19713
- Cope, E. D. (Edward Drinker), 1840-18973
- Cushman, Joseph A. (Joseph Augustine), 1881-19493
- Dall, William Healey, 1845-19273
- Dickinson, Kendell A., 1931-3
- Dutton, Clarence E. (Clarence Edward), 1841-19123
- Eames, F. E.3