Authors: Robert
- Woodward, R. Pitcher (Robert Pitcher) - 478 downloads
- Mathews, R. H. (Robert Hamilton) 1841-1918 477 downloads
- Bacon, Robert 1860-1919 474 downloads
- Robert, de Boron, active 13th century - 471 downloads
- Roberts, Alexander -1620 471 downloads
- Heizer, Robert F. (Robert Fleming) 1915-1979 470 downloads
- Finley, Robert B. - 465 downloads
- Braithwaite, Robert 1824-1917 464 downloads
- Goulding, F. R. (Francis Robert) 1810-1881 463 downloads
- Genin, Robert 1884-1943 462 downloads
- Norwood, Robert Winkworth 1874- 462 downloads
- Murphy, Robert F. (Robert Francis) 1924-1990 461 downloads
- Rogers, Robert M. 1839-1904 460 downloads
- Palmer, Robert Stafford Arthur 1888-1916 459 downloads
- Ingersoll, R. Sturgis (Robert Sturgis) 1891- 454 downloads
- Finch, Robert 1943- 453 downloads
- Durham, Robert Lee 1870-1949 448 downloads
- Fuller, Robert H. (Robert Higginson) 1865-1927 446 downloads
- Roberts, James 1881-1934 445 downloads
- Whitlow, Robert H. - 443 downloads
- Flaccus, Horatius 1816-1885 438 downloads
- Roberts, David 1757-1819 438 downloads
- Mackenzie, Robert 1823-1881 437 downloads
- Hartmann, Robert 1831-1893 436 downloads
- Cockerell, C. R. (Charles Robert) 1788-1863 436 downloads
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