Sabbatai Zevi
Biography of Zevi by a New Age Sabbatean.
http://www.donmeh-west.com/sabbatai.shtml

Shabbateans
Doctirines and history of the movement founded by Sabbatai Zvi.
http://philtar.ucsm.ac.uk/encyclopedia/judaism/shabb.html

The Shabbatean Movement
Short article in PDF format.
http://www.routledge.com/textbooks/0415236614/companion/pdf/38.pdf

Sabbatai Zevi
Muslim perspective on Zevi.
http://www.jews-for-allah.org/Jewish-Converts-to-Islam/RabbiMessiahMuslimSabbataiZevi.htm

Sabbatai Zevi - Wikipedia
Online encyclopedia article.
http://en.wikipedia.org/wiki/Sabbatai_Zevi

Shabbethai Zebi B. Mordecai
Article from the Jewish Encyclopedia on the pseudo-messiah and kabbalist who founded the Shabbethaian sect.
http://www.jewishencyclopedia.com/view.jsp?artid=531&letter=S

Sabbatai Zevi and Sufism
Article by Professor Avraham Elqayam of Bar Ilan University, Israel on the influence of Sufism on Zevi.
http://www.kheper.net/topics/Islamic_esotericism/Sabbatai/Zevi.htm

Shabetai Zvi
The history of a famed Rabbi who left the folds of faith
http://www.jewishmag.com/14MAG/ZVI/zvi.htm

Sabbatianism
Entry from the Glossary of Religion and Philosophy.
http://atheism.about.com/library/glossary/judaism/bldef_sabbatianism.htm

The Mystery of Faith in the Writings of Nathan of Gaza
Doctoral thesis by Abraham Elqayam.
http://www.chez.com/jec2/abstheslqayam1.htm

Shabtai Zvi and the Messiah
Shabbati Zvi and the messianic movement, a historical story
http://www.jewishmag.com/17MAG/ZVI/zvi.htm

Sabbetai Zevi
Information on Zevi and his followers.
http://camel2.conncoll.edu/academics/departments/relstudies/290/judaism/zevi.html

Dajjals, Donmehs and Extra - Terrestrials
Islamic view on the "crypto-Jewish" Donmeh community in Turkey which formally converted to Islam with Sabbatai Zvi in the seventeenth century.
http://www.islamicparty.com/commonsense/14donmeh.htm

Donmeh - Wikipedia
Online encyclopedia article on the group who followed Sabbatai Zvi.
http://en.wikipedia.org/wiki/Donmeh

Jacob Frank
Article on the eighteenth century messianic leader who took over a remnant of Sabbatai Zevi's followers in Europe.
http://www.kheper.net/topics/Kabbalah/Jacob_Frank.htm

Shabbetai Zevi
Extensive article on the messianic figure with reference to Karen Armstrong's book "A History of God" and Gershom G. Scholem's text "Sabbati Sevi".
http://www.users.globalnet.co.uk/~slocks/asym/zevi.html

Jacob Frank - Wikipedia
Online encyclopedia article on the eighteenth century messianic leader.
http://en.wikipedia.org/wiki/Jacob_Frank

The Synagogue of Satan
Criticism of Sabbatianism.
http://www.dccsa.com/greatjoy/synagogu.htm

Jacob Frank and the Frankists Hebrew Zoharic Letters
Reproduces and interprets the Hebrew-Zoharic letter written by three disciples of Jacob Frank in 1880 and addressed to the Jews of Hungary.
http://www.donmeh-west.com/frankintro.shtml

Shabbetai Zvi - False Messiah
Article from the Jewish Virtual Library on the medieval leader who claimed to be the Jewish messiah. Includes images of Sabbatean artifacts.
http://www.jewishvirtuallibrary.org/jsource/loc/False.html