Authors: R. (sorted by popularity)
- Freese, Jacob R. 1826-1885 38 downloads
- Germon, Maria - 38 downloads
- Tatham, Edward H. R. (Edward Henry Ralph) 1857-1938 38 downloads
- Sandick, R. A. (Rudolf Adriaan) van 1855-1933 38 downloads
- Peck, Rufus H. - 37 downloads
- Roelfsema, H. R. - 37 downloads
- Haines, Richard 1633-1685 37 downloads
- Corwin, B. R. - 37 downloads
- Lee, Alfred R. 1887- 37 downloads
- Rice, R. J. - 37 downloads
- Stiles, Kate R. - 36 downloads
- Roberts, James Russel - 36 downloads
- Drummond, Robert Rutherford 1883-1946 36 downloads
- Naylor, H. R. - 36 downloads
- Dyer, R. E. H. (Reginald Edward Harry) 1864-1927 36 downloads
- Meader, John Richard 1870- 36 downloads
- Hartmann, R. Julius (Reinhold Julius) 1854-1919 35 downloads
- Chantelauze, R. de (Régis) 1821-1888 35 downloads
- Morton, Richard Everett 1930- 35 downloads
- Barnard, M. R. (Mordaunt Roger) 1828-1906 35 downloads
- M'Gavin, James R. - 35 downloads
- Wells, Amos R. (Amos Russel) 1862-1933 35 downloads
- Brown, R. H. (Robert Hanbury) 1849-1926 35 downloads
- Pears, James Roberts - 35 downloads
- Burne, C. R. N. (Charles Richard Newdigate) - 35 downloads