| Verfasser | Häufigkeit |
| Jr., John W. Spaeth |
75 |
| Jr., John William Spaeth |
25 |
| Spaeth, August |
25 |
| Jr., J. W. Spaeth |
21 |
| Pauli, Adolph Frederick |
20 |
| Spaeth, Eva M. |
18 |
| Spaeth, Harold J. |
17 |
| Spaeth, John William 1885-19XX |
17 |
| Spaeth, Andreas 1966- |
14 |
| Spaeth, Sigmund 1885-1965 |
14 |
| Pauli, Adolph F. |
13 |
| Spaeth, Günther |
12 |
| Spaeth, David A. |
11 |
| Spaeth, Johann-Martin |
11 |
| Spaeth, Albert |
9 |
| Spaeth, Barbette Stanley 1956- |
9 |
| Spaeth, Eduard |
9 |
| Spaeth, Eloise |
8 |
| Spaeth, David |
7 |
| Spaeth, Kristine 1922- |
7 |