| Verfasser | Häufigkeit |
| Graebner, Norman A. 1915-2010 |
9 |
| White, Philip L. |
9 |
| Fite, Gilbert C. |
6 |
| White, John Talbot |
4 |
| Fite, Gilbert Courtland 1918-2010 |
3 |
| Graves, Norman J. |
2 |
| Graves, Norman John 1925- |
2 |
| Ace, Barry 1958- |
1 |
| Back, Doug |
1 |
| Baron, Marie |
1 |
| Beglan, Eamonn |
1 |
| Benson, Susan |
1 |
| Campbell, Norman |
1 |
| Chamberlain, Douglas |
1 |
| Donkin, Eric |
1 |
| Geuer, Juan 1917-2009 |
1 |
| Gilbert, William S. 1836-1911 |
1 |
| Hall, Kimble |
1 |
| Hewitt, Darsha |
1 |
| Keane, John |
1 |