Huizinga, Johan, author
New York: Doubleday, 1956
Buku Teks
Huizinga, Johan, author
Penguin Book, 1955
Buku Teks
Huizinga, Johan, author
Doubleday & Company, Inc., 1956
Buku Teks
Baring-Gould, Sabine, author
Longman, 1906
Buku Teks
general editor, H.R. Loyn
Thames and Hudson, 1991
Buku Referensi