| Verfasser | Häufigkeit |
| Joyce, James 1882-1941 |
24 |
| Quandt, Richard E. 1930- |
21 |
| Caves, Richard E. 1931-2019 |
20 |
| Cull, John G. |
19 |
| Hardy, Richard E. |
19 |
| Ellmann, Richard 1918-1987 |
18 |
| Henderson, James M. |
17 |
| Sonntag, Richard Edwin |
17 |
| Van Wylen, Gordon J. 1920- |
17 |
| Ripple, Richard E. |
16 |
| Klausmeier, Herbert J. 1915-2014 |
14 |
| Connell, Richard Edward 1893-1949 |
13 |
| Ellmann, Richard |
13 |
| Wagner, Richard E. 1941- |
13 |
| Jones, Ronald Winthrop 1931-2022 |
11 |
| Speidel, Richard E. |
11 |
| Buchanan, James M. 1919-2013 |
10 |
| Eyre, Richard 1943- |
10 |
| Baldwin, Richard E. |
9 |
| Frankel, Jeffrey A. 1952- |
9 |