Authors: Robert
- Roberts, Alexander -1620 470 downloads
- Sim, Robert J. - 469 downloads
- Wilson, Robert W. (Robert Warren) 1909-2006 468 downloads
- Trevelyan, R. C. (Robert Calverley) 1872-1951 467 downloads
- Waterhouse, G. R. (George Robert) 1810-1888 466 downloads
- Heizer, Robert F. (Robert Fleming) 1915-1979 465 downloads
- Bacon, Robert 1860-1919 464 downloads
- Woodward, R. Pitcher (Robert Pitcher) - 462 downloads
- Cockerell, C. R. (Charles Robert) 1788-1863 462 downloads
- Finch, Robert 1943- 459 downloads
- Goulding, F. R. (Francis Robert) 1810-1881 456 downloads
- Mathews, R. H. (Robert Hamilton) 1841-1918 454 downloads
- Durham, Robert Lee 1870-1949 451 downloads
- Murphy, Robert F. (Robert Francis) 1924-1990 451 downloads
- Kerner, Robert Joseph 1887-1956 449 downloads
- Rogers, Robert M. 1839-1904 448 downloads
- Robert, de Boron, active 13th century - 448 downloads
- Robertson, W. G. Aitchison (William George Aitchison ) - 448 downloads
- Brough, Robert B. (Robert Barnabas) 1828-1860 447 downloads
- Finley, Robert B. - 446 downloads
- Fuller, Robert H. (Robert Higginson) 1865-1927 445 downloads
- Hartmann, Robert 1831-1893 444 downloads
- Ingersoll, R. Sturgis (Robert Sturgis) 1891- 444 downloads
- Palmer, Robert Stafford Arthur 1888-1916 441 downloads
- Norwood, Robert Winkworth 1874- 438 downloads
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