Authors: F.
- Agassis, F. J. - 214 downloads
- Blass, Friedrich 1843-1907 214 downloads
- Cabral, F. A. (Francisco Antonio) - 214 downloads
- Slafter, Edmund F. (Edmund Farwell) 1816-1906 214 downloads
- Steffen, Gustaf Fredrik 1864-1929 212 downloads
- Young, T. F. (Thomas Frederick) -1940 210 downloads
- Palmén, Hjalmar F. - 209 downloads
- Veitch, Sophie F. F. (Sophie Frances Fane) - 209 downloads
- Bone, F. D. - 208 downloads
- Cabañas, F. - 207 downloads
- Stegmann, F. H. (Friedrich Hermann) - 207 downloads
- Pätiälä, Fredrik Joel 1863-1898 204 downloads
- Gray, Frederick T. (Frederick Turell) 1804-1855 202 downloads
- Masterman, Charles F. G. (Charles Frederick Gurney) 1873-1927 201 downloads
- Lutz, Henry F. (Henry Frey) 1868-1926 201 downloads
- Hérincq, F. (François) 1820-1891 200 downloads
- Smarandache, Florentin 1954- 196 downloads
- Small, F. O. (Frank O.) 1860-1915 191 downloads
- Thomas, Frederick W. (Frederick William) 1806-1866 190 downloads
- Grey, F. W. (Frederick William) - 190 downloads
- Pieck, A. F. 1865-1925 187 downloads
- Nilsson, K. F. - 187 downloads
- Cajan, Juhana Fredrik 1815-1887 183 downloads
- Ilmoni, W. F. (William Frithiof) 1880-1932 182 downloads
- Rinne, Kaarle F. (Kaarle Fredrik) 1863-1923 167 downloads
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