Freud, Sigmund, 1856-1939, author
Vintage Books, 1957
Buku Teks
Grubrich-Simitis, Ilse
Routledge, 1997
Buku Teks
Gray, Alexander, author
Longmans, Green , 1948
Buku Teks
Grayson Publishing, 2007
Buku Teks
Maimon, Moses Ben (Maimonides)
Philosophical Library, 1958
Buku Teks