Authors: Richard (sorted by popularity)
- Twiss, Richard 1747-1821 66 downloads
- Matheson, Richard 1926-2013 66 downloads
- Phillips, R. (Richard), Sir 1767-1840 66 downloads
- Neville, Richard - 66 downloads
- Rankin, R. C. (Richard C.) - 65 downloads
- Richards, Clarice E. - 65 downloads
- Maury, Richard L. (Richard Lancelot) 1840-1907 65 downloads
- Thieme, Richard 1944- 64 downloads
- Allen, R. W. (Richard Watson) 1833-1914 64 downloads
- Trimen, Richard - 64 downloads
- Corbet, Richard 1582-1635 63 downloads
- Davenport, R. A. (Richard Alfred) -1852 63 downloads
- Quaintance, Richard - 63 downloads
- Wilkinson, J. R. (John Richardson) -1908 63 downloads
- Pughe, G. R. G. (George Richard Gould) - 62 downloads
- Jack, Richard 1866-1952 62 downloads
- Rush, Richard 1780-1859 62 downloads
- Lodge, Richard, Sir 1855-1936 62 downloads
- Johnson, R. Byron (Richard Byron) - 62 downloads
- Hall, John 1865-1928 62 downloads
- Culver, R. K. (Richard Keith) 1873-1937 62 downloads
- Kenyon, Charles R. (Charles Richard) - 61 downloads
- Willis, Richard 1664-1734 61 downloads
- Hamilton, R. Vesey (Richard Vesey), Sir 1829-1912 61 downloads
- Tussac, F.-R. de (Fr.-Richard) 1786-1827 61 downloads