| Author | Titles | 1.
| Schaefer, Joseph | 1 | 2.
| Schaefer, K. | 1 | 3.
| Schaefer, Magnus | 1 | 4.
| Schaefer, Patrick | 2 | 5.
| Schaefer, Scott | 1 | 6.
| Schaeffer, Albrecht | 1 | 7.
| Schaeffer, Emil, 1874-1945? | 1 | 8.
| Schaeffer, Enrico | 1 | 9.
| Schaeffer, Jean-Marie | 8 | 10.
| Schaeffer, Werner | 2 |
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