Authors: F.
- Whitfield, Raoul 1897-1945 528 downloads
- Hoernlé, Reinhold Friedrich Alfred 1880-1943 528 downloads
- Godenhjelm, B. F. (Bernhard Fredrik) 1840-1912 526 downloads
- Blackmar, Frank W. (Frank Wilson) 1854-1931 525 downloads
- Heddle, John George Flett Moodie 1872- 523 downloads
- Jackson, Leroy F. (Leroy Freeman) 1881-1958 522 downloads
- Dawidowsky, F. (Ferdinand) - 520 downloads
- Grenfell, Francis 1880-1915 520 downloads
- Uildriks, Frederike van 1854-1919 519 downloads
- Matania, Fortunino 1881- 519 downloads
- Walzel, Oskar F. (Oskar Franz) 1864-1944 518 downloads
- Baldwin, Lida F. (Lida Frances) 1855-1938 516 downloads
- Bell, T. F. - 513 downloads
- Purdon, K. F. (Katherine Frances) 1852-1920 512 downloads
- Richardson, Charles F. (Charles Francis) 1851-1913 512 downloads
- Robbins, F. - 511 downloads
- Smith, Thomas F. A. 1875- 508 downloads
- Philips, F. C. (Francis Charles) 1849-1921 508 downloads
- Masterman, Lucy 1884-1977 508 downloads
- Gamble, F. W. (Frederick William) 1869-1926 506 downloads
- Griswold, F. Burge (Frances Burge) 1826-1900 505 downloads
- Calthrop, Everard Ferguson 1876-1915 505 downloads
- Blake, J. F. (John Frederick) 1839-1906 504 downloads
- Dummer, Ethel S. 1866-1954 504 downloads
- Roget, F. F. (François Frédéric) 1859- 502 downloads
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