1
by Sulsky, Lorne
Published 2005
2
3
4
Published 2006
5
Published 2007
6
Published 2003
7
by Stevens, Anthony
Published 2004
8
by Vong, Elvin.
Published 2010
9
10
11
by Hovi, Jon, 1956-
Published 1998
12
by Holsti, Ole R.
Published 1972
13
by Froggatt, Helen
Published 1991
14
15
by Manheim, Jarol B, 1946-
Published 1994
16
by Hennezel, Marie de.
Published 2012
17
by Bay, Tom
Published 2005
18
by Hall, Richard.
Published 2011
19
by De Bono, Edward, 1933-
Published 1991
20
by Cypert, Samuel A.
Published 1994