Author
Bailey, Florence Merriam, 1863-1948
49
Bailey, Vernon, 1864-1942
49
Merriam, C. Hart (Clinton Hart), 1855-1942
49
Muir, John, 1838-1914
49
Online Archive of California
49
Roosevelt, Theodore, 1858-1919
49
Ridgway, Robert, 1850-1929
15
Coues, Elliott, 1842-1899
14
Friedmann, Herbert 1900-1987
8
Cory, Charles B. (Charles Barney), 1857-1921
4
Friedmann, Herbert, 1900-1987
4
Hawkes, Ernest William, 1883-
4
Maynard, C. J. (Charles Johnson), 1845-1929
4
Denys, Nicolas, 1609?-1686?
3
Ganong, William Francis, 1864-1941
3
Geological Survey (U.S.)
3
Griffith, Moses, 1747-1819
3
Low, G.,
3
Mazell, Peter, active 1761-1797
3
Paillore, P.,
3
Paltsits, Victor Hugo, 1867-1952
3
Pennant, Thomas, 1726-1798
3
Richardson, John, Sir, 1787-1865
3
Stubbs, George, 1724-1806
3
American Museum of Natural History
2
Brown, P. (Illustrator)
2
Collin, Nathan
2
Cordiner, Charles, 1746-1794
2
Eberle, Jaelyn,
2
Estes & Lauriat
2
Fahyan, Robert, 1513
2
Flerov, K. K.
2
Fuertes, Louis Agassiz, 1874-1927
2
Fuller, William A., 1924-
2
Great Britain
2
Hacket, Thomas, fl 1560-1590
2
Hakluyt, Richard, 1552?-1616
2
Hall, E. Raymond (Eugene Raymond), 1902-1986
2
Hambly, Wilfrid Dyson, 1886-
2
Hoffman, Walter James, 1846-1899
2
Hull, Edward, 1829-1917
2
Hutchison, J. Howard (John Howard), 1939-
2
Inman, Henry, 1837-1899
2
Ivie, Wilton 1907-1969
2
John Wilson and Son
2
Jones, C. J. (Charles Jesse), 1844-1919
2
Jones, John Winter, 1805-1881
2
Kennedy, Kristen,
2
Koenigswald, Wighart von
2
Kostohrys, Jon
2
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