Authors: R. (sorted by quantity of books)
- Francia, José R. - 1 book
- R. M. - 1 book
- Van Middeldyk, R. A. (Rudolph Adams) 1832- 1 book
- Sullivan, W. R. Washington (William Robert Washington) - 1 book
- Cumming, R. D. (Robert Dalziel) 1871-1958 1 book
- Bernard, Richard Boyle 1787-1850 1 book
- Ashworth, T. R. (Thomas Ramsden) 1864-1935 1 book
- Halsey, R. T. Haines (Richard Townley Haines) 1865-1942 1 book
- Edwards, Thomas 1739-1810 1 book
- Long, William A. R. Jex - 1 book
- Lepsius, Richard 1810-1884 1 book
- Ainsworth, Ralph Bignell, Sir 1875-1952 1 book
- Foster, R. F. (Robert Frederick) 1853-1945 1 book
- Carnahan, James R. (James Richards) 1840-1905 1 book
- Scott, William R. (William Rufus) 1886- 1 book
- Hitchcock, Henry-Russell 1903-1987 1 book
- Kennedy, Sidney R. (Sidney Robinson) 1875- 1 book
- Peele, John (John R.) - 1 book
- Trabue, Marion Rex 1890-1972 1 book
- Lee, R., Mrs. 1791-1856 1 book
- Tanner, Charles R. 1896-1974 1 book
- Leighton, Gerald R. (Gerald Rowley) 1868- 1 book
- Daoust, Charles R. (Charles Roger) 1865-1924 1 book
- Peter, Robert 1805-1894 1 book
- Suffling, Ernest R. (Ernest Richard) 1855-1911 1 book