2.0 百科全書:
- 大英百科全書: http://www.britannica.com/
- Wikipedia, the free encyclopedia: http://en.wikipedia.org
- Columbia Encyclopedia, Sixth Edition: http://www.bartleby.com/65/
- The International Standard Bible Encyclopedia, 1915 ed.: http://www.studylight.org/enc/isb/
- 4 Enoch: An Online Encyclopaedia of Second Temple Judaism
- The New Schaff-Herzog Encyclopedia of Religious Knowledge: http://www.ccel.org/s/schaff/encyc/encyc13/htm/TOC.htm
- The Internet Encyclopedia of Philosophy: http://www.utm.edu/research/iep/
- Stanford Encyclopedia of Philosophy: http://plato.stanford.edu/
- JewishEncyclopedia.com : http://www.jewishencyclopedia.com/index.jsp
- The Catholic Encyclopedia: http://www.newadvent.org/cathen/
- Ecumenical Dictionary - 2002 rev ed. (limited access): http://www.wcc-coe.org/wcc/who/dictionary-index.html
- DataRat Theological Glossary: http://www.datarat.net/DR/FramesLexGloss.html
- Boston Collaborative Encyclopedia of Western Theology: http://people.bu.edu/wwildman/WeirdWildWeb/courses/mwt/dictionary/mwt_themes.htm
- Theopedia -an encyclopedia of Biblical Christianity: http://www.theopedia.com
