Authors: R.
- Stockman, James R. 1915-2000 Feb 1, 2022
- Henry, Thomas R. (Thomas Robert) 1893- Jan 22, 2022
- Murdock, Myrtle Cheney 1885-1980 Jan 19, 2022
- Morrison, Charles R. (Charles Robert) 1819-1893 Jan 12, 2022
- Schaare, C. R. (Christian Richard) 1893-1980 Jan 8, 2022
- Blot, R. - Jan 3, 2022
- Eddison, Eric Rücker 1882-1945 Jan 3, 2022
- Willis, Robert 1799-1878 Jan 1, 2022
- Baker, R. G. (Robert George) 1788-1878 Dec 28, 2021
- Haan, R. E. de (Romke Everts) 1833-1899 Dec 27, 2021
- Fenwick, R. O. (Robert Orde) - Dec 16, 2021
- Hildreth, Richard 1807-1865 Dec 9, 2021
- James, M. R. (Montague Rhodes) 1862-1936 Dec 4, 2021
- Ralston, William Ralston Shedden 1828-1889 Dec 2, 2021
- Bell, Robert Anning 1863-1933 Nov 30, 2021
- Taylor, R. H. (Ralph Hawley) 1884-1979 Nov 11, 2021
- Potter, Israel 1744- Nov 7, 2021
- Eucken, Rudolf 1846-1926 Oct 22, 2021
- Noll, Ray C. - Oct 19, 2021
- Jones, Edward R. - Oct 17, 2021
- Chickering, Charles R. (Charles Ransom) 1891-1970 Oct 14, 2021
- Chatburn, George R. 1863-1940 Oct 6, 2021
- Ramón y Cajal, Santiago 1852-1934 Sep 25, 2021
- Applin, R. V. K. (Reginald Vincent Kempenfeldt) 1869-1957 Sep 14, 2021
- Lethaby, W. R. (William Richard) 1857-1931 Sep 14, 2021
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