Authors: Richard (sorted by popularity)
- Boer, R. C. (Richard Constant) 1863-1929 82 downloads
- Ahlborn, Richard E. 1933-2015 82 downloads
- Richardson, Thomas -1875 82 downloads
- Osborne, Robertson - 81 downloads
- Squires, Richard C. - 80 downloads
- Richardson, Norval 1877-1940 80 downloads
- Bagot, Richard 1860-1921 79 downloads
- Cantillon, Richard -1734 79 downloads
- Blackmore, Richard, Sir 1654-1729 78 downloads
- Parker, Richard Green 1798-1869 78 downloads
- McMurry, Richard M. - 78 downloads
- Stallman, Richard 1953- 78 downloads
- Boys, Richard C. (Richard Charles) 1912-1975 78 downloads
- Chatburn, George R. 1863-1940 77 downloads
- McGregor, Richard C. (Richard Crittenden) 1871-1936 77 downloads
- Beer-Hofmann, Richard 1866-1945 76 downloads
- Risley, R. V. (Richard Voorhees) 1874-1904 76 downloads
- Barfus, E. von (Eginhard) 1825-1909 76 downloads
- Hutton, Richard Holt 1826-1897 75 downloads
- Connolly, Richard - 75 downloads
- Archer, Richard - 75 downloads
- Horne, R. H. (Richard H.) 1802-1884 75 downloads
- Newton, Richard Heber 1840-1914 75 downloads
- Keefer, William R. 1924- 75 downloads
- Westbrook, Richard B. (Richard Brodhead) - 74 downloads