31
Cuthbertson, Gilbert Morris.
| Michigan State University Press |
1975
32
Alt, James E.
| University of California Press |
1983
33
Farrar, Cynthia.
| Cambridge University Press |
1988
34
Cropsey, Joseph.
| University of Chicago Press |
1977
35
Connolly, William E.
| Cambridge University Press |
1981
36
Mulgan, R. G.
| Clarendon Press |
1977
37
Strauss, Leo.
| University of Chicago Press |
1989
38
Bogdanor, Vernon,
| Blackwell Reference |
1987
39
Collini, Stefan,
| Cambridge University Press |
1979
40
Parekh, Bhikhu C.
| Macmillan |
1981