1
2
by Stoessinger, John G.
Published 1965
3
by Jones, F. C.
Published 1954
4
Published 1978
5
by Regala, Roberto
Published 1969
6
by Lundestad, Geir
Published 1999
7
by Thant, U, 1909-
Published 1964
8
by Turner, Louis, 1942-
Published 1978
9
Published 1975
10
11
by Boyd, Andrew, 1920-
Published 1991
12
by Brzezinski, Zbigniew K, 1928-
Published 1994
13
Published 1966
14
by Buckley, William F, 1925-
Published 1974
15
by Hero, Alfred O.
Published 1965
16
17
18
by Schumann, Frederick L.
Published 1962
19
by Dunnigan, James F.
Published 1985
20