Authors: R.
- Bowker, R. R. (Richard Rogers) 1848-1933 855 downloads
- Foster, R. F. (Robert Frederick) 1853-1945 851 downloads
- Bartlett, John Russell 1805-1886 850 downloads
- Westall, Richard 1765-1836 843 downloads
- Lepsius, Richard 1810-1884 836 downloads
- Horton, Robert F. (Robert Forman) 1855-1934 828 downloads
- Trevelyan, R. C. (Robert Calverley) 1872-1951 826 downloads
- Hamilton, R. Vesey (Richard Vesey), Sir 1829-1912 825 downloads
- Blanco-Fombona, Rufino 1874-1944 820 downloads
- Pardee, R. G. (Richard Gay) 1811-1869 817 downloads
- Huish, Robert 1777-1850 815 downloads
- Rau, Roscoe R. - 809 downloads
- Heizer, Robert F. (Robert Fleming) 1915-1979 803 downloads
- Shufeldt, Robert W. (Robert Wilson) 1850-1934 801 downloads
- Gilmore, James R. (James Roberts) 1822-1903 800 downloads
- Woodward, R. Pitcher (Robert Pitcher) - 795 downloads
- Watson, John R. (John Reay) 1872- 791 downloads
- Rennell of Rodd, Francis James Rennell Rodd, Baron 1895-1978 791 downloads
- Fox, Richard C. - 783 downloads
- Collingwood, R. G. (Robin George) 1889-1943 775 downloads
- Jarrett, Robert Frank 1864-1948 773 downloads
- Terry, Richard Runciman 1865-1938 771 downloads
- Stout, H. R. (Henry Rice) 1843- 770 downloads
- Scott, R. S. - 769 downloads
- Wilkinson, Nevile Rodwell, Sir 1869-1940 767 downloads
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