Authors: Ro
- Graef, Robert A. 1879-1951 6 books
- Gilbert, Robert E. 1924-1993 6 books
- Stead, Robert J. C. 1880-1959 6 books
- Peary, Robert E. (Robert Edwin) 1856-1920 6 books
- Rose, J. Holland (John Holland) 1855-1942 6 books
- Bickford, Nana French 1886-1959 6 books
- Bloomfield, Robert 1766-1823 6 books
- Rossetti, Dante Gabriel 1828-1882 6 books
- Binns, Jack 1884-1959 6 books
- Malthus, T. R. (Thomas Robert) 1766-1834 6 books
- Chamfort, Sébastien-Roch-Nicolas -1794 6 books
- Ropes, Mary E. (Mary Emily) 1842-1932 6 books
- Luros, Milton 1911-1999 6 books
- Schauffler, Robert Haven 1879-1964 6 books
- Wood, Robert Williams 1868-1955 6 books
- Montesquiou-Fézensac, Robert, comte de 1855-1921 6 books
- Herbert, Robert Gaston 1873-1954 6 books
- Victor, Metta Victoria Fuller 1831-1885 6 books
- Rogers, Frances - 6 books
- Rosny, J.-H., aîné 1856-1940 6 books
- Ball, Robert S. (Robert Stawell) 1840-1913 6 books
- Leckie, Robert 1920-2001 6 books
- Rorer, S. T. 1849-1937 6 books
- Prothero, Rowland E. (Rowland Edmund), Baron Ernle 1851-1937 5 books
- Isla, José Francisco de 1703-1781 5 books
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