1
Published 1991
2
by Haass, Richard N.
Published 1994
3
by Hammond, Allen
Published 1998
4
Published 1980
5
Published 1969
6
Published 2010
7
by Nacht, Michael
Published 1985
8
9
Published 2002
10
Published 1989
11
by Pyle, Kenneth B.
Published 1992
12
Published 1998
13
14
by Vedrine, Hubert
Published 2001
15