Authors: Richard
- Norton, Richard 1872-1918 519 downloads
- Preston, R. M. P. (Richard Martin Peter) 1884-1965 519 downloads
- Kearton, Richard 1862-1928 518 downloads
- Lawrence, William R. 1812-1855 517 downloads
- Richards, A. E. (Adolphus Edwards) 1844-1920 510 downloads
- Nettleship, Richard Lewis 1846-1892 510 downloads
- Anderson, Richard, F.C.S. - 505 downloads
- Flower, Richard -1829 496 downloads
- Threlfall, Richard - 493 downloads
- Macdonald, Frederika - 489 downloads
- Crossen, Kendell Foster 1910-1981 479 downloads
- Ahlborn, Richard E. 1933-2015 473 downloads
- Richardson, Charles F. (Charles Francis) 1851-1913 473 downloads
- Holberg, Richard A. 1889-1942 472 downloads
- Harlan, Richard 1796-1843 471 downloads
- Stallman, Richard 1953- 470 downloads
- Carew, Richard 1555-1620 465 downloads
- Hinton, Richard J. (Richard Josiah) 1830-1901 465 downloads
- Richardson, James Hugh 1894-1963 462 downloads
- Richardson, John, Sir 1787-1865 461 downloads
- Westbrook, Richard B. (Richard Brodhead) - 460 downloads
- Vynne, Harold R. (Harold Richard) 1863-1903 457 downloads
- Richardson, Sarah J. 1835- 456 downloads
- Richardson, Norval 1877-1940 456 downloads
- Corbet, Richard 1582-1635 454 downloads
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