Authors: Richard
- Fulfer, Richard J. - 330 downloads
- Kilner, Frederic Richard 1892- 329 downloads
- Hutton, Richard Holt 1826-1897 327 downloads
- Twopeny, Richard Ernest Nowell 1857-1915 324 downloads
- Challoner, Richard 1691-1781 323 downloads
- Vernon, John Richard 1833-1902 321 downloads
- Nixon, Richard M. (Richard Milhous) 1913-1994 320 downloads
- Magruder, Richard - 319 downloads
- Richardson, James (Geologist) - 318 downloads
- Neville, Richard - 318 downloads
- Warren, Richard F. - 317 downloads
- Wolff, Richard - 315 downloads
- Duckworth, Richard - 315 downloads
- Sternbach, Richard A. - 313 downloads
- Darlington, Richard 1834-1906 312 downloads
- Richards, Julia Ward - 309 downloads
- Tongg, Richard C. 1899- 308 downloads
- Hook, Richard A. - 308 downloads
- Llewellyn, Llewellyn J. (Llewellyn Jones) 1869-1934 305 downloads
- Pearson, Richard 1765-1836 304 downloads
- Maples, Richard - 303 downloads
- Richardson, Dorothy 1882- 301 downloads
- Keefer, William R. 1924- 301 downloads
- Wright, Richardson Little 1887-1961 300 downloads
- Richardson, Harry - 300 downloads
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