| Verfasser | Häufigkeit |
| Ashford, Norman |
2 |
| Willett, Peter 1966- |
2 |
| Wright, Paul H. |
2 |
| Ashford, A. J. |
1 |
| Ashford, John |
1 |
| Ashford, John H. |
1 |
| Ashford, José B. |
1 |
| Ashford, Norman J. 1935- |
1 |
| Ashford, William |
1 |
| Bell, William G. |
1 |
| Bunting, John W. |
1 |
| Higginson, John |
1 |
| Kunovits, Robert |
1 |
| Le Croy, Craig W. |
1 |
| Lortie, Kathy L. |
1 |
| MacCollum, W.M |
1 |
| Paquette, Radnor J. |
1 |
| Rayner, D. |
1 |
| Rich, Thomas A. |
1 |
| Ruskin, Joseph |
1 |