| Verfasser | Häufigkeit |
| MacWilliams, Peter A. |
7 |
| MacWilliams, Peter |
5 |
| MacWilliams, John-Roger |
2 |
| Anthony, Kristopher Jon |
1 |
| Bloomfield, Harold H. |
1 |
| Carroll, John 1944- |
1 |
| Gregory, Craig |
1 |
| Kieth, Nancy |
1 |
| McWilliams, John-Roger |
1 |
| McWilliams, Peter |
1 |
| Nordfors, Mikael |
1 |
| Seelig, Timothy |
1 |