Authors: Richard
- Keefer, William R. 1924- 367 downloads
- Culver, R. K. (Richard Keith) 1873-1937 366 downloads
- Richardson, Katharine N. - 364 downloads
- Neville, Richard - 363 downloads
- Twopeny, Richard Ernest Nowell 1857-1915 362 downloads
- Barfus, E. von (Eginhard) 1825-1909 361 downloads
- Richardson, Russell 1881- 360 downloads
- Thursfield, James R. (James Richard) 1840-1923 356 downloads
- Richards, Rosalind 1874-1964 355 downloads
- Mitchell, Richard Arthur Henry 1843- 355 downloads
- Richardson, Ernest Cushing 1860-1939 355 downloads
- Richardson, James (Geologist) - 354 downloads
- Wolff, Richard - 352 downloads
- Richards, John N. - 350 downloads
- Bucke, Richard Maurice 1837-1902 348 downloads
- Vincent, Marvin R. 1834-1922 346 downloads
- Thompson, Richard W. (Richard Wigginton) 1809-1900 345 downloads
- Clynton, Richard - 344 downloads
- Hook, Richard A. - 344 downloads
- Vernon, John Richard 1833-1902 343 downloads
- Mynyddog 1833-1877 341 downloads
- Challoner, Richard 1691-1781 340 downloads
- Squires, Richard C. - 338 downloads
- Tongg, Richard C. 1899- 338 downloads
- Sadleir, Richard, R.N. 1794-1889 337 downloads
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