| Verfasser | Häufigkeit |
| Pauli, Adolph Frederick |
20 |
| Jr., John William Spaeth |
18 |
| Pauli, Adolph F. |
13 |
| Jr., John W. Spaeth |
11 |
| Jr., J. W. Spaeth |
3 |
| Lax, Robert 1915-2000 |
2 |
| Spaeth, Paul J. 1952- |
2 |
| Berenstain, Laura K. |
1 |
| Berenstain, Laura K. ca. 20./21. Jh |
1 |
| Delius, Peter |
1 |
| Kellein, Thomas 1955- |
1 |
| Lax, Robert |
1 |
| Spaeth, Andreas 1966- |
1 |
| Spaeth, James P. |
1 |
| Spaeth, James P. 1966- |
1 |
| Spaeth, John William |
1 |
| Spaeth, Paul J. |
1 |
| Thomas, Geoffrey J. |
1 |
| van Heijst, Christiaan |
1 |