Authors: R. (sorted by release date)
- Mason, R. Hindry (Robert Hindry) - Jun 14, 2020
- Corwin, B. R. - Jun 14, 2020
- F. R. Melville & Co. - Jun 13, 2020
- Tanner, Charles R. 1896-1974 Jun 8, 2020
- Macfie, R. A. Scott (Robert Andrew Scott) 1868-1935 May 29, 2020
- Cooper, David R. - May 14, 2020
- Christman, Robert A. (Robert Adam) 1924- May 8, 2020
- Quick, Robert Hebert 1831-1891 May 4, 2020
- Davenport, R. A. (Richard Alfred) -1852 May 2, 2020
- Bommeli, R. (Rudolf) 1859-1926 Apr 16, 2020
- Masani, Rustom Pestonji 1876-1966 Apr 12, 2020
- Gibb, H. A. R. (Hamilton Alexander Rosskeen) 1895-1971 Apr 8, 2020
- Thompson, Richard W. (Richard Wigginton) 1809-1900 Apr 1, 2020
- Davis, Rebecca Harding 1831-1910 Mar 24, 2020
- Benson, Robert Hugh 1871-1914 Mar 12, 2020
- Caldecott, Randolph 1846-1886 Mar 5, 2020
- Van Reenen, Reenen J. 1884-1935 Feb 27, 2020
- Jebb, R. C. (Richard Claverhouse) 1841-1905 Feb 20, 2020
- Willis, Robert 1800-1875 Feb 15, 2020
- Trabue, Marion Rex 1890-1972 Feb 8, 2020
- Davey, Richard 1848-1915 Feb 3, 2020
- Francis, R. D. - Jan 28, 2020
- Scoble, Andrew R. (Andrew Richard), Sir 1831-1916 Jan 27, 2020
- Carling, John R. - Jan 10, 2020
- Lafferty, R. A. 1914-2002 Jan 7, 2020