Hultkrantz, Ake
The Humanistic Foundation of Sweden, 1953
Buku Teks
Backman, Louise
Almqvist and Wiksell International, 1978
Buku Teks
Dembo, L.S., author
University of California Press, 1966
Buku Teks
Barnouw, Victor
The Dorsey Press, 1975
Buku Teks
Mallery, Garrick, author
Mouton, 1972
Buku Teks