Authors: Ro
- Zhong, Rong, active 502-519 - 2 books
- Rudder, Robert S. - 2 books
- Cheney, Roland - 2 books
- Roth, Henry - 2 books
- Shrader, E. Roscoe (Edwin Roscoe) 1879-1960 2 books
- Lawrence, Robert Means 1847-1935 2 books
- Robins, Edward 1862-1943 2 books
- Edwards, Robert 1879-1948 2 books
- Musil, Robert 1880-1942 2 books
- Yerkes, Robert Mearns 1876-1956 2 books
- Roberts, Kenneth Lewis 1885-1957 2 books
- Rowe, Nicholas 1674-1718 2 books
- Heymann, Robert 1879-1946 2 books
- Kirby, Rollin 1875-1952 2 books
- Lubbers, Bob 1922-2017 2 books
- Kuykendall, Roger - 2 books
- Helper, Hinton Rowan 1829-1909 2 books
- Rothman, David H. - 2 books
- Lillie, R. - 2 books
- McReynolds, Robert 1854-1928 2 books
- Rooke, Noel 1881- 2 books
- Scott, Robert Falcon 1868-1912 2 books
- Gustavson, Lealand 1899-1966 2 books
- Rose, Joshua - 2 books
- Schumann, Robert 1810-1856 2 books
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