Authors: Roberts (sorted by popularity)
- Peabody, Robert Swain 1845-1917 157 downloads
- Locke, Robert Donald - 155 downloads
- Seton-Watson, R. W. (Robert William) 1879-1951 154 downloads
- Kerlin, Robert Thomas 1866-1950 153 downloads
- Darling, Charles R. (Charles Robert) 1870- 153 downloads
- Roberts, Helen H. (Helen Heffron) 1888-1985 152 downloads
- Heywood, Robert 1786-1868 152 downloads
- Braidwood, Robert J. (Robert John) 1907-2003 152 downloads
- Shaw, Robert B. - 150 downloads
- Hale, Beatrice Forbes-Robertson 1883-1967 150 downloads
- Roberts, Henri - 149 downloads
- Lillie, R. - 147 downloads
- Wason, Robert Alexander 1874-1955 147 downloads
- Cressman, Robert 1950- 146 downloads
- Zacks, Robert - 146 downloads
- Crawford, Robert 1831-1914 146 downloads
- Wilson, Robert Anderson 1812-1872 144 downloads
- Paltock, Robert 1697-1767 143 downloads
- Brown, Robert 1842-1895 143 downloads
- Hoskins, Robert 1933-1993 141 downloads
- Thurston, Robert Henry 1839-1903 140 downloads
- Plomer, Henry R. (Henry Robert) 1856-1928 140 downloads
- Rogers, R. Vashon (Robert Vashon) 1843-1911 140 downloads
- Holloway, Robert - 140 downloads
- Machray, Robert 1857-1946 139 downloads