21
Frey, August Emil.
| Brobst, Diehl |
1883
22
Frey, Brad
| Calvin College |
1989
26
Frey, Herbert
| University of Religion |
2002
27
Frey, Johannes.
| A Deichert |
1985
28
Frey, Johannes.
| Edwin Runge |
1989
29
Frey, Jorg
| Walter De Gruyter |
2014
30
Frey, Jorg
| Cambridge University Press |
2008