1
by Buchan, Alastair
Published 1963
2
Published 1970
3
Published 1970
4
by Noel-Baker, Philip
Published 1958
5
by Burton, John W, 1915-
Published 1962
6
Published 1993
7
Published 1970
8
by Frei, Daniel
Published 1984
9
Published 1966
10
Published 1961
11
by Huisken, R. H, 1946-
Published 1977
12
by Marin-Bosch, Miguel
Published 2002
13
Published 1988
14
by Rossides, Zenon G.
Published 1984
15
Published 1972
16
by Goldblat, Jozef
Published 1994
17
Published 1976
18
Published 1993
19
Published 1996
20
by Hook, Glenn D.
Published 1996