Catholic Encyclopedia - St. Simon the Apostle, also known as St. Simon the Zealot. www.newadvent.org/cathen/13796b.htm
Catholic Online - Very brief. saints.catholic.org/saints/simonzealot.html
For All the Saints - Hagiography of Simon the Zealot. users.erols.com/saintpat/ss/1028.htm#simo
James Kiefer's Christian Biographies - Profiles of SS. Simon and Jude, with prayer in traditional and contemporary language. elvis.rowan.edu/~kilroy/JEK/10/28.html
Lives of the Saints - From Alban Butler's Lives of the Saints. www.ewtn.com/library/MARY/SIMON.htm
Patron Saints Index - Illustrated, with links. www.catholic-forum.com/saints/saints07.htm
The Ecole Glossary - St. Simon Zelotes, sometimes called Simon the Less. Christian legend associates St. Simon with Persia or England. cedar.evansville.edu/~ecoleweb/glossary/simonz.html