1
by Mu Fu-Sheng
Published 1962
2
by Kolko, Gabriel
Published 1997
3
4
by Hoffman, George Walter, 1914-
Published 1962
5
by Brzezinski, Zbigniew K, 1928-
Published 1994
6
Published 1956
7
by Clutterbuck, Richard L.
Published 1967
8
Published 1959
9
by Kennedy, Malcolm
Published 1957
10
by Clague, Peter
Published 1991
11
by Valdez, Jonathan C.
Published 1993
12
13
Published 1996
14
Published 2000
15
by Walker, Richard Louis, 1922-
Published 1958
16
by Palmier, Leslie H.
Published 1973
17
by Fuentes, Miguel Ydigoras
Published 1963
18
by Cornell, Erik
Published 2002
19
by Turner, Robert F
Published 1975
20
by Bader, William B.
Published 1966