| Verfasser | Häufigkeit |
|---|---|
| Allin, Lawrence C. | 1 |
| Bauer, Karl Jack 1926- | 1 |
| Kemble, John H. | 1 |
| Kendall, Lane C. | 1 |
| Kilmarx, Robert A. | 1 |
| Levine, Daniel H. | 1 |
| Maccusker, John J. | 1 |
| Morris, James M. | 1 |
| Platt, Lawrence D. | 1 |
| Platt, Sara Ann | 1 |
| Reynolds, Clark G. | 1 |
| Safford, Jeffrey J. | 1 |