1
by Regala, Roberto
Published 1969
2
by Barston, R. P
Published 1988
3
Published 2000
4
by Salacuse, Jeswald W.
Published 1991
5
Published 1970
6
Published 1999
7
Published 1979
8
by Acheson, Dean, 1893-1971
Published 1959
9
Published 1996
10
by McDermott, Geoffrey, 1912-
Published 1973
11
by Marshall, Peter
Published 1997
12
Published 2001
13
by Rawnsley, Gary D.
Published 2000
14
Published 1959
15
Published 1988
16
by Issraeljan, V.
Published 1970
17
by Burton, J. W.
Published 1968
18
Published 1979
19
by Pearson, Lester B.
Published 1959
20
by Barston, R. P
Published 1996