2
Bright, James Wilson,
| Holt, Rinehart and Winston |
1971
3
Bean, Marian C.
| Croom Helm ; |
1983
4
Diamond, Robert E.
| Wayne State University Press |
1970
5
Lass, Roger.
| Cambridge University Press |
1975
6
Bean, Marian C.
| Croom Helm ; |
1983