Authors: F.
- Herbart, Johann Friedrich 1776-1841 699 downloads
- Martin, Percy F. (Percy Falcke) 1861-1941 699 downloads
- Lange, Alexis Frederick 1862-1924 699 downloads
- Clark, Francis E. (Francis Edward) 1851-1927 696 downloads
- Malherbe, Daniel François 1881-1969 695 downloads
- Grow, Julian F. - 695 downloads
- Horn, W. O. von 1798-1867 694 downloads
- Gilbert, Frederick 1827-1902 694 downloads
- Fayrer, F. D. S. (Frederick Durand Stirling) 1869- 694 downloads
- Spurgeon, Caroline F. E. (Caroline Frances Eleanor) 1869-1942 694 downloads
- Pollard, Eliza F. 1840-1911 694 downloads
- Béroalde de Verville 1556-1626 692 downloads
- Broun, A. F. (Alfred Forbes) 1858-1953 691 downloads
- Moulton, Forest Ray 1872-1952 690 downloads
- Harkins, E. F. (Edward Francis) 1872- 688 downloads
- Fernández-Flórez, Wenceslao 1885-1964 685 downloads
- Jourdain, Eleanor F. (Eleanor Frances) 1863-1924 685 downloads
- Buitenrust Hettema, F. 1862-1922 679 downloads
- Junghuhn, Franz Wilhelm 1809-1864 679 downloads
- Schottky, Friedrich 1851-1935 676 downloads
- Brown, Ford Madox 1821-1893 676 downloads
- Spaulding, Frank E. (Frank Ellsworth) 1866-1960 675 downloads
- Chamberlain, Alexander Francis 1865-1914 675 downloads
- Lehmann, Friedrich J. (Friedrich Johann) 1866-1950 672 downloads
- Riley, B. F. (Benjamin Franklin) 1849-1925 671 downloads
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