| Verfasser | Häufigkeit |
| Duncan, P. Martin |
19 |
| Duncan, Peter Martin |
5 |
| Beal, Jeff 1963- |
4 |
| Duncan, Lindsay 1950- |
4 |
| Ferry, April 1932-2024 |
4 |
| Godbole, Prasad P. |
4 |
| Hinds, Ciarán 1953- |
4 |
| Kenzie, Martin 1956- |
4 |
| MacKidd, Kevin 1973- |
4 |
| Stevenson, Ray 1964-2023 |
4 |
| Walker, Polly 1966- |
4 |
| Wilcox, Duncan T. |
4 |
| Apted, Michael 1941-2021 |
3 |
| Heller, Bruno 1960- |
3 |
| Koyle, Martin A. |
3 |
| Brix-Meinert, Ilse |
2 |
| Conrad, Ferdinand 1912-1992 |
2 |
| Doberitz, Ernst |
2 |
| Duncan, P. Martin 1821-1891 |
2 |
| Fraser, Margaret |
2 |