Authors: R. (sorted by popularity)
- Stockheker, R. W. (Ralph Walter) 1908-2004 92 downloads
- Desgenettes, R. (René) 1762-1837 92 downloads
- Lighton, William R. (William Rheem) 1866-1923 92 downloads
- Taylor, R. W. 1876-1914 91 downloads
- Engelbach, Reginald 1888-1946 91 downloads
- Richardson, R. - 91 downloads
- Howard, John R. (John Raymond) 1837-1926 91 downloads
- Ament, R. S. - 90 downloads
- Brown, Robert 1773-1858 90 downloads
- Lens, A. R. de 1881-1925 90 downloads
- Sketchley, R. E. D. (Rose Esther Dorothea) 1875- 90 downloads
- Hull, Helen R. (Helen Rose) 1888-1971 90 downloads
- Smith, H. R. - 89 downloads
- Phillips, R. (Richard), Sir 1767-1840 89 downloads
- Millikan, Robert Andrews 1868-1953 89 downloads
- Moody, R. S. H. (Richard Stanley Hawks) 1854-1930 89 downloads
- Witthaus, R. A. (Rudolph August) 1846-1915 89 downloads
- Dorman, Marcus R. P. 1868-1907 88 downloads
- Potter, Israel 1744- 88 downloads
- Pardee, R. G. (Richard Gay) 1811-1869 88 downloads
- Lodge, R. B. (Reginald B.) 1852-1936 88 downloads
- Hare, Robert 1781-1858 88 downloads
- Sherard, Robert Harborough 1861-1943 88 downloads
- Laurence, Reginald Vere 1876-1934 87 downloads
- Mathews, R. H. (Robert Hamilton) 1841-1918 87 downloads