Authors: R.
- Clarke, Richard F. (Richard Frederick) 1839-1900 977 downloads
- Wheelan, Albertine Randall - 976 downloads
- Palmer, Ray 1910-1977 975 downloads
- Moton, Robert Russa 1867-1940 974 downloads
- Massey, R. E. (Reginald Ernest) - 955 downloads
- Bechdolt, Frederick R. (Frederick Ritchie) 1874-1950 953 downloads
- Smith, H. R. - 952 downloads
- Harrington, M. R. (Mark Raymond) 1882-1971 950 downloads
- Punnett, Reginald Crundall 1875-1967 946 downloads
- Lillie, R. - 945 downloads
- Delany, Samuel R. 1942- 942 downloads
- Garnett, R. A. (Rachel Alice) 1891-1940 941 downloads
- Eyster, William R. (William Reynolds) 1841-1918 941 downloads
- Dabney, Robert Lewis 1820-1898 941 downloads
- Ogilvie-Grant, W. R. (William Robert) 1863-1924 940 downloads
- Landells, Robert Thomas 1833-1877 940 downloads
- Brummer, F. F. (Frans Ferdinand) 1847-1893 940 downloads
- Gay, Joseph R. - 940 downloads
- McAnally, D. R. (David Russell) 1847-1909 939 downloads
- Weguelin, J. R. (John Reinhard) 1849-1927 937 downloads
- Playtner, H. R. - 933 downloads
- Hall, H. R. Wilton - 931 downloads
- Baukhage, Hilmar R. (Hilmar Robert) 1889-1976 930 downloads
- Bowker, R. R. (Richard Rogers) 1848-1933 930 downloads
- Watkins, Samuel R. (Samuel Rush) 1839-1901 925 downloads
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