1
Published 1989
2
Published 2007
3
Published 1995
4
Published 1963
5
by Acheson, Dean, 1893-1971
Published 1959
6
Published 1952
7
Published 1957
8
by Rosecrance, Richard N.
Published 1963
9
by Kegley, Charles W.
Published 1997
10
by Padelford, Norman J.
Published 1962
11
by Shaw, Martin
Published 1994
12
by Kegley, Charles W, 1944-
Published 1989
13
by Nau, Henry R, 1941-
Published 2021
14
Published 1994
15
Published 1994
16
17
18
by Nau, Henry R, 1941-
Published 2019
19
20
by Holsti, K.J, 1935-
Published 1991