Allatae Sunt 
Encyclical of Pope Benedict XIV of July 26, 1755 on the observance of Oriental Rites, addressed to missionaries assigned to the East.
http://www.ewtn.com/library/ENCYC/B14ALLAT.HTMCouncil of Catholic Patriarchs of the Orient 
Eastern Patriarchates in full and open communion with Rome.
http://www.opuslibani.org.lb/cpco-english/ppframe.htm
The Metropolitan Andrey Sheptytsky Institute 
A research center of St. Paul University in Ottawa.
http://web.ustpaul.uottawa.ca/sheptytsky/
Eastern Catholic Webring 
Displays the beauty and variety of non-Latin rites. All Eastern Catholic sites (especially eparchies and parishes) are welcome.
http://www.webring.com/hub?ring=eastcath&list
The Eastern Rite Church 
Series of three articles by Fr. William Saunders which compare the Eastern Rites with Roman Catholicism, provide historical development, and describe the primary rites.
http://www.catholicculture.org/docs/doc_view.cfm?recnum=2727
Opus Libani 
Information about the Catholic Churches, Eastern and Latin rite, in the Middle East. Includes information about their respective structures, organizations and histories, with information about their coordination and regular meetings. [French, English and Arabic]
http://www.opuslibani.org.lb/
Orientale Lumen 
Apostolic Letter of Pope John Paul II, marking the centenary of Orientalium Dignitas. Given 2 May, 1995. 77K.
http://www.newadvent.org/library/docs_jp02ol.htm