1
by Roberts, Geoffrey K.
Published 1972
2
Published 1990
3
by Mayer, Lawrence C
Published 1996
4
Published 1984
5
by Roskin, Michael G, 1939-
Published 1989
6
by Heywood, Andrew.
Published 1992
7
by Wilson, Frank L, 1941-
Published 1990
8
by Calvert, Peter
Published 1983
9
Published 1984
10
by Kavanagh, Dennis
Published 1972
11
Published 1991
12
by Sarkesian, Sam Charles
Published 1979
13
by Wang, James C. F.
Published 1994
14
Published 1996
15
by Apter, David E, 1924-
Published 1993
16
Published 1996
17
by Ebenstein, Alan O.
Published 1993
18
by Rabushka, Alvin.
Published 1972
19
by Coulter, Edwin M, 1937-
Published 1981