Authors: 1920 (sorted by popularity)
- Courtney, M. A. (Margaret Ann) 1834-1920 235 downloads
- Elwell, J. B. (Joseph Bowne) 1874-1920 232 downloads
- Moody, Walter D. (Walter Dwight) 1874-1920 230 downloads
- Tharp, Marie 1920-2006 229 downloads
- Elias, Lee 1920-1998 228 downloads
- Cyr, Ellen M. 1860-1920 227 downloads
- Shea, Cornelius 1863-1920 222 downloads
- Senior, William 1838-1920 222 downloads
- Smith, Watson 1845-1920 221 downloads
- Dearing, Vinton A. (Vinton Adams) 1920-2005 215 downloads
- Potter, Ellis Wellington 1920-1981 211 downloads
- Leitz, Ernst 1843-1920 210 downloads
- Kuyper, Abraham 1837-1920 210 downloads
- Bright, J. Franck (James Franck) 1832-1920 210 downloads
- Jokinen, Wäinö 1879-1920 209 downloads
- Fisher, John Arbuthnot Fisher, Baron 1841-1920 208 downloads
- Clarke, Joseph Thacher -1920 207 downloads
- Marchetti, Louis 1920-1992 206 downloads
- Munro, Robert 1835-1920 204 downloads
- Beale, Sophia 1837-1920 198 downloads
- Rees, Byron J. (Byron Johnson) 1877-1920 196 downloads
- O'Leary, Peter 1839-1920 190 downloads
- Gordon, Hanford Lennox 1836-1920 184 downloads
- Buhler, Augustus W. (Augustus Waldeck) 1853-1920 181 downloads
- Costa, Fernandes 1848-1920 178 downloads
