Authors: R. (sorted by release date)
- Plomer, Henry R. (Henry Robert) 1856-1928 Apr 11, 2023
- Douglas-Lithgow, R. A. (Robert Alexander) 1846-1917 Apr 2, 2023
- Lepsius, Richard 1810-1884 Mar 25, 2023
- Mackenzie, Kenneth R. H. (Kenneth Robert Henderson) 1833-1886 Mar 25, 2023
- Mollenhoff, Clark R. (Clark Raymond) 1921-1991 Mar 24, 2023
- Nord, F. R. - Mar 23, 2023
- Trevelyan, R. C. (Robert Calverley) 1872-1951 Mar 18, 2023
- Alger, William Rounseville 1822-1905 Mar 15, 2023
- Bodley, R. V. C. (Ronald Victor Courtenay) 1892-1970 Mar 14, 2023
- Storer, Horatio Robinson 1830-1922 Mar 13, 2023
- Shufeldt, Robert W. (Robert Wilson) 1850-1934 Mar 7, 2023
- Maclagan, Robert Craig 1839-1919 Mar 3, 2023
- Hitchcock, Henry-Russell 1903-1987 Feb 20, 2023
- Noyes, Ethel J. R. C. (Ethel Jane Russell Chesebrough) - Feb 12, 2023
- Burton, Richard Francis, Sir 1821-1890 Feb 12, 2023
- Watson, Floyd Rowe 1872-1974 Feb 10, 2023
- Roberts, James Russel - Feb 8, 2023
- Llewellyn, Llewellyn J. (Llewellyn Jones) 1869-1934 Jan 24, 2023
- Atkinson, Robert 1863-1896 Jan 13, 2023
- Roberts, R. D. 1851-1911 Jan 11, 2023
- Markham, Violet R. (Violet Rosa) 1872-1959 Dec 30, 2022
- Rogers, R. Vashon (Robert Vashon) 1843-1911 Dec 30, 2022
- Waterhouse, G. R. (George Robert) 1810-1888 Dec 19, 2022
- MacBeth, R. G. (Roderick George) 1858-1934 Dec 19, 2022
- Whitehead, Donald R. (Donald Reed) 1932-2018 Dec 18, 2022