21
by Brierly, J. L.
Published 1963
22
by Henkin, Louis
Published 1995
23
24
25
by Carter, Barry E.
Published 1994
26
by Starke, J. G, 1911-
Published 1989
27
28
29
Published 2000
30
by Qureshi, Asif H.
Published 2007
31
by Larson, Arthur
Published 1961
32
33
by Schwarzenberger, Georg, 1908-
Published 1971
34
35
by Brierly, J. L.
Published 1963
36
by Padelford, Norman J, 1903-
Published 1954
37
Published 1973
38
by Chuah, Jason
Published 1996
39
by Elias, T. O.
Published 1992
40