Bunyan, John. The Strait Gate: Great Difficulty of Going to Heaven Liskeard, Cornwall: Diggory Press, 2007. ISBN 978-1-84685-671-6.
Bunyan, John. No Way to Heaven but By Jesus Christ Liskeard, Cornwall: Diggory Press, 2007. ISBN 978-1-84685-780-5.
Ginzberg, Louis. Henrietta Szold (trans.). The Legends of the Jews. Philadelphia: The Jewish Publication Society of America, 1909–38. ISBN 0-8018-5890-9.
Hahn, Scott. The Lamb's Supper: The Mass as Heaven on Earth. New York: Doubleday, 1999. ISBN 978-0-385-49659-9.
