| Verfasser | Häufigkeit |
| Fitz-Gibbon, Carol T. |
117 |
| Morris, Lynn Lyons |
107 |
| FitzGibbon, Constantine 1919-1983 |
43 |
| Fitz-Geffry, Charles |
16 |
| Henerson, Marlene E. |
16 |
| Fitz-Geffrey, Charles |
11 |
| Herman, Joan L. |
11 |
| Fitz-Simon, Christopher |
10 |
| Fitz, Christl 1935- |
9 |
| Fitz, Peter 1931-2013 |
9 |
| FitzRoy, Felix R. 1938- |
9 |
| Lindheim, Elaine |
9 |
| Fitz, Richard |
8 |
| King, Jean A. |
8 |
| Morris, Lynn L. |
8 |
| Randolph, Carman Fitz |
8 |
| Freeman, Marie E. 1945- |
7 |
| Fitz, Florian David 1974- |
6 |
| Fitz, Florian David |
5 |
| Cable, John |
4 |