Authors: R. (sorted by popularity)
- Devereux, G. R. M. - 100 downloads
- Blanco-Fombona, Rufino 1874-1944 100 downloads
- Thayer, Lee 1874-1973 99 downloads
- Johnston, R. M. (Robert Matteson) 1867-1920 98 downloads
- Wilkinson, Nevile Rodwell, Sir 1869-1940 98 downloads
- MacBeth, R. G. (Roderick George) 1858-1934 98 downloads
- Mc Donald, R. D. (Roelof Daniel) 1873-1949 97 downloads
- Stebbing, Thomas Roscoe Rede 1835-1926 97 downloads
- Haan, R. E. de (Romke Everts) 1833-1899 97 downloads
- Backscheider, Paula R. 1943- 97 downloads
- Stephens, W. R. W. (William Richard Wood) 1839-1902 97 downloads
- Baker, R. G. (Robert George) 1788-1878 96 downloads
- Brunck, Rich. Fr. Phil. (Richard François Philippe) 1729-1803 95 downloads
- Sharpe, M. R. L. (Maud Russell Lorraine) 1867-1949 95 downloads
- Mallory, Richard P. - 95 downloads
- Edwards, Thomas 1739-1810 95 downloads
- Mathot, Rodolphe Edgard 1866- 95 downloads
- Dice, Lee R. (Lee Raymond) 1887-1977 94 downloads
- Murray, E. R. (Elsie Riach) 1861-1932 94 downloads
- Harrison, Robert - 93 downloads
- Cross, R. - 93 downloads
- Mason, R. Hindry (Robert Hindry) - 93 downloads
- Trowbridge, W. R. H. (William Rutherford Hayes) 1866-1938 93 downloads
- Desgenettes, R. (René) 1762-1837 92 downloads
- Stockheker, R. W. (Ralph Walter) 1908-2004 92 downloads