Parsch, Pius, author
Fides, 1962
Buku Teks
John Baer, James C. Kaufman, Roy F. Baumeister, editor
Oxford University Press, 2008
Buku Teks
De Rougemont, Denis, author
Congress for cultural freedom, t.th.
Buku Teks
Douglas, Helen Gahagan, author
Hill and Wang, 1963
Buku Teks
Ritchie, John C., author
William Heinemann, 1975
Buku Teks