1
by Luard, Evan, 1926-
Published 1992
2
Published 1994
3
by Rosenau, James N.
Published 2006
4
Published 1989
5
Published 2007
6
7
by Clark, Ian, 1949 -
Published 1999
8
by Ray, James Lee
Published 1987
9
by Spiegel, Steven L.
Published 1995
10
Published 2005
11
Published 1993
12
Published 1991
13
by Love, Maryann Cusimano
Published 2003
14
15
16
by Holsti, K.J, 1935-
Published 1991
17
by Mee, Charles L.
Published 1993
18
19
20
Published 1992