Authors: Ro
- Roberts, Enos Herbert Glynne - 1 book
- Contor, Roger J. 1930- 1 book
- Clarke, Robert F. (Robert Francis) 1919-2008 1 book
- Taylor, R. W. 1876-1914 1 book
- Roesch, Kurt 1905-1984 1 book
- McQuoid, Thomas Robert 1820-1912 1 book
- Rosen, Friedrich 1856-1935 1 book
- Robertson, Eric S. (Eric Sutherland) - 1 book
- Roe, Merwin - 1 book
- Smalls, Robert 1839-1915 1 book
- Robinson, Emily J. - 1 book
- Rogers, John Godfrey, Sir 1850- 1 book
- Mengel, Robert Morrow 1921- 1 book
- Spencer, Erle 1897-1937 1 book
- Ross, E. Denison (Edward Denison), Sir 1871-1940 1 book
- Gorell, Ronald Gorell Barnes, Baron 1884-1963 1 book
- Rochholz, Ernst Ludwig 1809-1892 1 book
- Rouse, Lydia L. - 1 book
- Ross, Victor 1878-1934 1 book
- Mamiani della Rovere, Terenzio, conte 1799-1885 1 book
- Binder, Jack 1902-1986 1 book
- Hazard, Rowland Gibson 1855-1918 1 book
- Rouse, Parke 1915-1997 1 book
- Díaz Romero, Eugenio 1877-1927 1 book
- Robinson, Clara Weaver 1845-1905 1 book
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