| Verfasser | Häufigkeit |
| Drake, R. Paul |
3 |
| Bräuer, Lars 1977- |
2 |
| Drake, Richard L. |
2 |
| Mitchell, Adam W. M. |
2 |
| Richardson, Paul E. |
2 |
| Tibbitts, Richard M. 197X- |
2 |
| Vogl, Wayne |
2 |
| Apps, R. |
1 |
| Armenta, Carolina |
1 |
| Arnold, Jack 1916-1992 |
1 |
| Arthur, Beatrice 1922-2009 |
1 |
| Bailey, Victor 1960- |
1 |
| Balen, Bregje van |
1 |
| Blackman, Donald |
1 |
| Blouin, Lorraine |
1 |
| Bogart, Paul 1919-2012 |
1 |
| Bonham, John 1948-1980 |
1 |
| Boocock, John G. |
1 |
| Bos, Paul van den |
1 |
| Bos-Kroese, Cora |
1 |