| Verfasser | Häufigkeit |
| Dahl, Robert Alan 1915-2014 |
126 |
| Herbst, Robert |
57 |
| Readett, Alan G. |
57 |
| Segal, Robert Alan 1948- |
34 |
| Silvestri, Alan 1950- |
23 |
| Lerner, Alan Jay 1918-1986 |
22 |
| Feenstra, Robert C. 1956- |
21 |
| Graves, Robert 1895-1985 |
21 |
| Shoemaker, Robert Alan |
21 |
| Taylor, Alan M. 1964- |
21 |
| Zemeckis, Robert L. 1951- |
20 |
| Hodge, Alan |
19 |
| LeVine, Robert Alan 1932- |
19 |
| Loewe, Frederick 1901-1988 |
18 |
| Aitken, Robert Alan 1958- |
12 |
| Duvall, Robert 1931- |
12 |
| Fox, Robert W. 1934-2014 |
12 |
| Gilbert, Robert 1899-1978 |
12 |
| Arkin, Alan 1934-2023 |
11 |
| Brookey, Robert Alan 1959- |
10 |