Authors: Roberts (sorted by popularity)
- Fitzroy, Robert 1805-1865 205 downloads
- Anderson, Robert E. (Robert Edward), M.A., F.A.S. - 203 downloads
- Williamson, Robert Wood 1856-1932 203 downloads
- Robert, Henry M. (Henry Martyn) 1837-1923 202 downloads
- Pennell, Robert F. 1850-1905 202 downloads
- Ritchie, Robert Welles 1879-1942 201 downloads
- Seppänen, Rob. A. 1875-1920 201 downloads
- Arber, Agnes Robertson 1879-1960 200 downloads
- Warner, Robert 1814-1896 200 downloads
- Conway, G. R. G. (George Robert Graham) 1873-1951 199 downloads
- Hunter, Robert 1874-1942 198 downloads
- Blaney, Henry R. 1855-1913 197 downloads
- Rose, R. Selden (Robert Selden) 1888-1964 197 downloads
- Mallet, Robert 1810-1881 194 downloads
- Sellar, Robert 1841-1919 194 downloads
- Hope, Robert Charles 1855-1926 193 downloads
- Roberts, F. A. - 193 downloads
- Ellis, Robert Leslie 1817-1859 192 downloads
- Jones, Robert Edmond 1887-1954 191 downloads
- Jacob, Robert Urie - 191 downloads
- Beebe, Robb 1891-1966 189 downloads
- Gleig, G. R. (George Robert) 1796-1888 188 downloads
- Knowles, Robert E. (Robert Edward) 1868-1946 187 downloads
- Cleland, Robert - 185 downloads
- Hawker, Robert Stephen -1875 185 downloads