| Verfasser | Häufigkeit |
| Pickford, R. W. |
18 |
| Pickford, Henry W. |
15 |
| Pickford, Ralph W. |
6 |
| Pickford, Andrew T. W. |
4 |
| Pickford, Mary 1892-1979 |
3 |
| Pickford, Ralph William |
3 |
| Dannemann, Rüdiger 1949- |
2 |
| Hirst, Rodney J. |
2 |
| Pickford, Mary |
2 |
| Schiller, Hans-Ernst 1952- |
2 |
| Wyburn, George MacCreath |
2 |
| Adorno, Theodor W. 1903-1969 |
1 |
| Altvater, Elmar 1938-2018 |
1 |
| Anderson, Gillian B. 1943- |
1 |
| Bassermann, Albert 1867-1952 |
1 |
| Beaudine, William 1892-1970 |
1 |
| Blinn, Holbrook 1872-1928 |
1 |
| Bose, J. |
1 |
| Brandes, Werner 1889-1968 |
1 |
| Buchwald, Günter A. 1952- |
1 |