31
Dallin, Alexander.
| Westview Press |
1991
32
Traube, Elizabeth G.
| Westview Press |
1992
33
Burmeister, Larry L.
| Westview Press |
1988
34
Wiarda, Howard J.,
| Westview Press |
1980
35
Duchacek, Ivo D.,
| Westview Press |
1986
37
Payne, Keith B.
| Westview Press |
1982
38
Holsti, Ole R.
| Westview Press |
1980
39
Wiarda, Howard J.,
| Westview Press |
1981
40
Black, Jan Knippers,
| Westview Press |
1984