Authors: Robert
- Utter, Robert Palfrey 1875-1936 1288 downloads
- Ferris, Robert G. 1921-2005 1273 downloads
- Walsh, Robert 1784-1859 1232 downloads
- Zimmermann, Robert 1824-1898 1230 downloads
- Lawrence, Robert Means 1847-1935 1225 downloads
- Bell, R. S. Warren (Robert Stanley Warren) 1871-1921 1213 downloads
- Henry, Thomas R. (Thomas Robert) 1893- 1209 downloads
- Becher, Johannes Robert 1891-1958 1209 downloads
- Johnston, R. M. (Robert Matteson) 1867-1920 1196 downloads
- Wallace, Robert 1853-1939 1188 downloads
- Newell, R. H. (Robert Henry) 1836-1901 1187 downloads
- Nemiroff, Robert J. - 1179 downloads
- Blatchford, Robert 1851-1943 1178 downloads
- Nichols, Robert 1893-1944 1177 downloads
- Van Bergen, R. (Robert) - 1174 downloads
- Pinkerton, Robert E. (Robert Eugene) 1882-1970 1171 downloads
- Richardson, Robert C. (Robert Charlwood) 1882-1954 1170 downloads
- Grant, Robert 1814-1892 1166 downloads
- R. H. (Robert Howlett) - 1162 downloads
- Evans, Robert J. - 1161 downloads
- Childers, Robert Cæsar 1838-1876 1161 downloads
- Dunn, Robert Lee 1874-1953 1160 downloads
- Knapp, Samuel L. (Samuel Lorenzo) 1783-1838 1160 downloads
- Quick, Robert Hebert 1831-1891 1152 downloads
- Sterndale, Robert Armitage 1839-1902 1149 downloads
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