| Verfasser | Häufigkeit |
| Kennedy, William R. 1960- |
3 |
| McLaughlin, Gregory C. |
3 |
| Adams, Donald 1928-1996 |
1 |
| Arnett, G. William |
1 |
| Folwell, Nicholas |
1 |
| Gilbert, William S. 1836-1911 |
1 |
| Howells, Anne 1941- |
1 |
| Kennedy, DBA William R. |
1 |
| Mackerras, Charles 1925-2010 |
1 |
| McLaughlin, DBA Gregory C. |
1 |
| McLaughlin, Marie 1954- |
1 |
| McLaughlin, Richard P. |
1 |
| Palmer, Felicity 1944- |
1 |
| Rolfe Johnson, Anthony 1940-2010 |
1 |
| Suart, Richard 1951- |
1 |
| Sullivan, Arthur 1842-1900 |
1 |
| Van Allan, Richard 1935-2008 |
1 |
| Watson, Janice 1964- |
1 |