Authors: F.
- Adams, Charles Francis 1807-1886 1099 downloads
- Dadd, Frank 1851-1929 1091 downloads
- Skrine, Francis Henry 1847-1933 1091 downloads
- Oppeln-Bronikowski, Friedrich von 1873-1936 1090 downloads
- Schiefner, Anton 1817-1879 1078 downloads
- Atkinson, F. M. (Frederick MacCurdy) 1878-1973 1077 downloads
- Fraser, Francis Arthur 1846-1924 1077 downloads
- Hoffman, Frederick, Captain - 1076 downloads
- Guernsey, Clara F. (Clara Florida) 1836-1893 1070 downloads
- Scheltema, J. F. (Johann Friedrich ) 1855-1922 1065 downloads
- Johnson, J. C. F. (Joseph Colin Francis) 1848-1904 1064 downloads
- Harris, H. F. (Henry Fauntleroy) 1867-1926 1064 downloads
- Church, F. J. (Frederick John) 1854-1888 1063 downloads
- Williamson, B. F. - 1061 downloads
- Murray, R. F. (Robert Fuller) 1863-1894 1060 downloads
- Arago, F. (François) 1786-1853 1058 downloads
- Chadwick, French Ensor 1844-1919 1052 downloads
- Lee, Frederick George 1832-1902 1046 downloads
- Hibbert, Francis Aidan 1866-1933 1043 downloads
- Masters, F. B. (Frank B.) 1873-1955 1042 downloads
- Garis, Cleo F. 1905-1998 1041 downloads
- Johnston, Richard F. - 1040 downloads
- Zogbaum, Rufus Fairchild 1849-1925 1039 downloads
- Warner, George F. (George Frederic), Sir 1845-1936 1032 downloads
- Loomis, Frederic Brewster 1873-1937 1028 downloads
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