Authors: R. (sorted by popularity)
- Pritchett, R. T. (Robert Taylor) 1828-1907 806 downloads
- Raspe, Rudolf Erich 1737-1794 802 downloads
- Sandbach, William R. - 781 downloads
- Busk, Rachel Harriette 1831-1907 780 downloads
- Stephens, Robert Neilson 1867-1906 759 downloads
- Dowling, Richard 1846-1898 747 downloads
- Chandler, Joseph R. (Joseph Ripley) 1792-1880 727 downloads
- Pocock, Roger 1865-1941 716 downloads
- Moncrieff, A. R. Hope (Ascott Robert Hope) 1846-1927 700 downloads
- Beazley, C. Raymond (Charles Raymond) 1868-1955 694 downloads
- Charnwood, Godfrey Rathbone Benson, Baron 1864-1945 687 downloads
- Malthus, T. R. (Thomas Robert) 1766-1834 687 downloads
- Wood, Robert Williams 1868-1955 687 downloads
- Gonçalves Viana, A. R. (Aniceto Reis) 1840-1914 687 downloads
- Proctor, Richard A. (Richard Anthony) 1837-1888 678 downloads
- Cunninghame Graham, R. B. (Robert Bontine) 1852-1936 673 downloads
- Peary, Robert E. (Robert Edwin) 1856-1920 664 downloads
- Streatfeild, R. A. (Richard Alexander) 1866-1919 655 downloads
- Wingate, F. R. (Francis Reginald), Sir 1861-1953 655 downloads
- Macduff, John R. (John Ross) 1818-1895 647 downloads
- Maturin, Charles Robert 1780-1824 643 downloads
- Dallington, Robert 1561-1637 641 downloads
- Delany, Martin Robison 1812-1885 639 downloads
- Daggett, Rollin Mallory 1831-1901 628 downloads
- Sims, George R. 1847-1922 625 downloads