| Verfasser | Häufigkeit |
| Beresford, Maurice W. 1920-2005 |
2 |
| St. Joseph, John Kenneth Sinclair 1912-1994 |
2 |
| Beresford, Bruce 1940- |
1 |
| Hardy, Jonathan 1940-2012 |
1 |
| McAlpine, Donald M. 1934- |
1 |
| Ross, Kenneth 1941- |
1 |
| Stevens, David 1940-2018 |
1 |
| Thompson, Jack 1940- |
1 |
| Waters, John 1948- |
1 |
| Woodward, Edward 1930-2009 |
1 |