1
by Taras, Ray, 1946-
Published 1995
2
by Black, George
Published 1993
3
Published 1996
4
by Huntington, Samuel P.
Published 1991
5
Published 1990
6
by Vanhanen, Tatu
Published 1990
7
by Will, George F.
Published 1990
8
by Krishna Iyer, V. R, 1915-
Published 1990
9