Catholic Studies, UCSB
Lexikon der Syrischen Kirchenväter (LSKV)
ORB--Online Encyclopedia for Medieval Studies
All-in-one Biblical Resources Search
The American Religion Data Archive
Christian Works from the Cambridge Digital Library
Bible (NRSV, New Oxford Annotated Bible)
Main Ref BS 191.5 A1 2001 .N49
Catholic Almanac
Main Ref AY 81 R6 N3 2007
Encyclopedia of Christianity (5 vols.)
Main Ref BR 95 E8913 1999
Encyclopedia of Early Christianity (2 vols.)
Main Ref BR 162.2 E53 1997
Encyclopedia of Modern Christian Politics
Main Ref BR 115 E58 2006
Encyclopedia of Protestantism (4 vols.)
Main Ref BX 4811.3 E53 2004
New Catholic Encyclopedia (15 vols.)
Main Ref BX 841 N44 2003
The Encyclopedia of American Catholic History
Main Ref BX 1406.2.E53 1997
Oxford Dictionary of the Christian Church
Main Ref BR 95 O8 2005
Oxford Encyclopedia of the Reformation
Main Ref BR 302.8 O93 1996
Timeline Charts of the Western Church
Main Ref BR 149 P48 1999
Center for the Study of Religion, Princeton University
Center for the Study of American Religion & Culture
Cushwa Center for the Study of American Catholicism
Walter H. Capps Center for the Study of Religion and Public Life