| Verfasser | Häufigkeit |
| Spaeth, August |
25 |
| Spaeth, Andreas 1966- |
13 |
| Spaeth, David A. |
11 |
| Spaeth, Albert |
9 |
| Spaeth, Harold J. |
7 |
| Segal, Jeffrey Allan |
6 |
| Spaeth, Donald A. |
4 |
| Réal, Jean |
3 |
| Spaeth, Axel |
3 |
| Mies van der Rohe, Ludwig 1886-1969 |
2 |
| Spaeth, Andreas |
2 |
| Spaeth, Annerose |
2 |
| Spaeth, David A. 1941- |
2 |
| Wertheim, Georges |
2 |
| Albano, Mariangela 1984- |
1 |
| Benesh, Sara Catherine |
1 |
| Bäumler, Sebastian 1977- |
1 |
| Dearstyne, Howard |
1 |
| Delius, Peter |
1 |
| Epstein, Lee 1958- |
1 |