Authors: Ro
- Cheney, Roland - 485 downloads
- Coleman-Norton, Paul R. (Paul Robinson) 1898-1971 485 downloads
- Berry, R. L. (Robert Lee) 1874-1952 485 downloads
- Rogers, Henry 1806-1877 484 downloads
- Rodenbough, Theophilus F. (Theophilus Francis) 1838-1912 483 downloads
- Cunningham, Robert Hays - 483 downloads
- Routledge, Katherine 1866-1935 482 downloads
- Adams, Clifford R. (Clifford Rose) 1902-1987 481 downloads
- Reinick, Robert 1805-1852 480 downloads
- Roberts, Cecil 1892-1976 480 downloads
- Rogers, Bruce 1870-1957 480 downloads
- Tymms, W. R. (William Robert) - 479 downloads
- Bancroft, Jane M. (Jane Marie) 1847-1932 477 downloads
- Rowland, Henry C. (Henry Cottrell) 1874-1933 476 downloads
- Creswell, R. J. (Robert J.) 1844-1906 476 downloads
- Costa, José Daniel Rodrigues da 1757-1832 476 downloads
- Roberts, Kenneth Lewis 1885-1957 475 downloads
- Stebbing, Thomas Roscoe Rede 1835-1926 475 downloads
- Rogers, Robert Emmons 1888-1941 475 downloads
- Lansing, Robert 1864-1928 475 downloads
- Robertson, W. G. Aitchison (William George Aitchison ) - 471 downloads
- Nyblom, Helena 1843-1926 469 downloads
- Finley, Robert B. - 469 downloads
- Shores, Robert J. (Robert James) 1881-1934 468 downloads
- Heizer, Robert F. (Robert Fleming) 1915-1979 467 downloads
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