| Verfasser | Häufigkeit |
| Campbell, John R. 1943- |
28 |
| Pouchert, Charles J. |
28 |
| Campbell, Eric |
10 |
| Campbell, Gordon 1944- |
9 |
| Parker, William R. |
9 |
| Purviance, Edna 1896-1958 |
9 |
| Totheroh, Roland H. 1890-1967 |
9 |
| Campbell, Peter Robert 1955- |
7 |
| Chaplin, Charlie 1889-1977 |
7 |
| Campbell, Robert |
6 |
| Campbell, Bruce 1958- |
5 |
| Campbell, John P. |
5 |
| Campbell, Stephen L. 1945- |
5 |
| Daft, Richard L. |
5 |
| Foster, William C. 1880-1923 |
5 |
| Hulin, Charles L. |
5 |
| LoDuca, Joseph 1958- |
5 |
| Paterson, Raymond Campbell |
5 |
| Campbell, Bruce |
4 |
| Campbell, Colin |
4 |