1
by Lauren, Paul Gordon
Published 1988
2
by Pemberton, Jo-Anne
Published 2001
3
Published 1996
4
Published 1997
5
by Huntington, Samuel P.
Published 1991
6
Published 2007
7
by Handel, Michael I.
Published 1981
8
by Parkinson, F.
Published 1974
9
by Chomsky, Noam, 1928-
Published 2002
10
11
by Brzezinski, Zbigniew K, 1928-
Published 1994
12
Published 1992
13
Published 1992
14
by Brzezinski, Zbigniew K, 1928-
Published 1997
15
16
by Lowe, John
Published 1994
17
18
19
by Fukuyama, Francis.
Published 1992
20
by Van Creveld, Martin L.
Published 1991