Authors: Roberts
- Lowndes, Robert W. 1916-1998 682 downloads
- Mason, Robert L. - 675 downloads
- Baukhage, Hilmar R. (Hilmar Robert) 1889-1976 673 downloads
- Williams, Robert 1810-1881 673 downloads
- Richards, R. (Robert) 1884-1954 666 downloads
- Hawker, Robert Stephen -1875 664 downloads
- La Monte, Robert Rives - 664 downloads
- Curzon, Robert 1810-1873 662 downloads
- Robertson, George Croom 1842-1892 661 downloads
- Bartlett, Bob 1875-1946 660 downloads
- Fletcher, Robert Huntington 1875-1919 655 downloads
- Borland, Robert -1912 652 downloads
- Roberts, W. J. - 652 downloads
- Rogers, Robert W. (Robert Wells) 1873- 644 downloads
- Mellin, Robert 1826-1880 644 downloads
- Beebe, Robb 1891-1966 639 downloads
- Pennell, Robert F. 1850-1905 634 downloads
- Humières, Robert d' 1868-1915 634 downloads
- Eden, R. C. (Robert C.) -1907 633 downloads
- Wells, Joseph Robert - 631 downloads
- Meyer, Robert B. - 631 downloads
- Gleig, G. R. (George Robert) 1796-1888 630 downloads
- Walling, R. A. J. (Robert Alfred John) 1869-1949 627 downloads
- Stevenson, Robert 1772-1850 627 downloads
- Wilson, Robert Anderson 1812-1872 625 downloads
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