| Verfasser | Häufigkeit |
| Warren, Robert Penn 1905-1989 |
220 |
| Penn, Sean 1960- |
34 |
| Brooks, Cleanth 1906-1994 |
22 |
| Penn, Michael 1958- |
13 |
| Penn, Sean |
11 |
| Kirke, Jemima 1985- |
9 |
| Penn, Arthur 1922-2010 |
9 |
| Penn, Clarence 1968- |
9 |
| Robbins, Tim 1958- |
9 |
| Rogien, Jennifer 20. Jh |
9 |
| Williams, Allison 1988- |
9 |
| Lipes, Jody Lee 1982- |
8 |
| Penn, Roger |
8 |
| Penn, Zak 1968- |
6 |
| Prosky, Robert |
6 |
| Smith, Richard Penn 1799-1854 |
6 |
| Cheadle, Don 1964- |
5 |
| Dunham, Lena 1986- |
5 |
| Penn, Christopher 1962-2006 |
5 |
| Penn, Robert |
5 |