Authors: F.
- Friederich, Johann Konrad 1789-1858 1585 downloads
- Austin, Walter F. (Walter Forward) 1872- 1579 downloads
- Maurice, John Frederick 1841-1912 1576 downloads
- Forsyth, J. S. - 1575 downloads
- Stevens, Frank Lincoln 1871-1934 1566 downloads
- Robinson, F. W. (Frederick William) 1830-1901 1564 downloads
- Hibbert, Francis Aidan 1866-1933 1551 downloads
- Day, Lewis F. (Lewis Foreman) 1845-1910 1550 downloads
- Mignet, M. (François-Auguste-Marie-Alexis) 1796-1884 1547 downloads
- Galouye, Daniel F. 1920-1976 1531 downloads
- Celliers, Jan F. E. (Jan François Elias) 1865-1940 1509 downloads
- Sachse, Julius Friedrich 1842-1919 1504 downloads
- Taylor, F. Walter (Frank Walter) 1874-1921 1501 downloads
- Loomis, Frederic Brewster 1873-1937 1500 downloads
- Hubbard, Alice P. F. - 1500 downloads
- Davidson, Frederic J. A. (Frederic Joseph Arthur) 1870-1946 1500 downloads
- Schiefner, Anton 1817-1879 1495 downloads
- Lindley, Augustus F. - 1495 downloads
- Liesegang, Franz Paul 1873-1949 1494 downloads
- Zogbaum, Rufus Fairchild 1849-1925 1490 downloads
- Archibald, James F. J. (James Francis Jewell) 1871-1934 1489 downloads
- Poole, William Frederick 1821-1894 1488 downloads
- Johnson, J. C. F. (Joseph Colin Francis) 1848-1904 1484 downloads
- Clark, C. F. G. - 1480 downloads
- Anderson, Frederic A. 1894-1950 1464 downloads
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