| Verfasser | Häufigkeit |
| MacDonald, Duncan |
6 |
| Duncan, Starkey |
4 |
| Duncan, John Donald |
3 |
| Fiske, Donald Winslow 1916-2003 |
3 |
| Barnes, Sebastian |
2 |
| Byrne, Donald G. |
2 |
| Duncan, Donald |
2 |
| Duncan-Jones, Paul |
2 |
| Hillman, Robert |
2 |
| Hunter, Duncan |
2 |
| MacDonald, Malcolm N. |
2 |
| Mitchell, Donald 1947- |
2 |
| Wharf, George |
2 |
| Anne R., Slifkin |
1 |
| Bigart, Robert J. 1947- |
1 |
| Boyd, Stephen 1928-1977 |
1 |
| Buchanan, Duncan |
1 |
| Campbell, Ernest Howard |
1 |
| Catherine, Lutz |
1 |
| Daniel, Berrigan |
1 |