Huizinga, Johan
Doubleday & Company, Inc., 1956
Buku Teks
Brandt, Thomas
Goasia Verlag, 2001
Buku Referensi
Overy, Paul
Thames and Hudson, 2000
Buku Teks
Eliot, George
Harper & Row, [Date of publication not identified]
Buku Teks
Kroll, A.E.
Foreign Languages, 1957
Buku Teks