edited by Sigrid Born
Inter Nationes, 1994
Buku Teks
Amery, L.S., author
Oxford University Press, 1953
Buku Teks
Corwin, Edward S., author
William Sloane, 1949
Buku Teks
Jennings, Ivor, Sir, 1903-1965, author
Hodder and Stoughton, 1979
Buku Teks
Corwin, Edward S., author
Holt, Rinehart and Winston, 1964
Buku Teks