Latin Mass Society
- Promotes the traditional worship of the Roman Catholic Church. Articles, directory of Latin Masses in the United Kingdom, membership information.
- http://www.latin-mass-society.org/

Traditional Latin Mass
- Lots of articles and links about the Tridentine Mass, including a complete interlinear Latin-English translation of the Missal.
- http://lphrc.org/rmk/trid.html

Guidelines for the Celebration of the "Tridentine" Mass
- Sent in 1991 from the Pontifical Commission "Ecclesia Dei" to the bishops. Relaxes the conditions under which the Latin "Tridentine" Mass may be used.
- http://www.catholicliturgy.com/index.cfm/FuseAction/DocumentContents/Index/2/SubIndex/11/DocumentIndex/412

Quattuor Abhinc Annos
- On the Use of the "Tridentine" Liturgy. Statement issued in 1984 by the Congregation for Divine Worship and the Discipline of the Sacraments details the conditions under which an indult may be granted to use the "Tridentine" Mass.
- http://www.catholicliturgy.com/index.cfm/FuseAction/DocumentContents/Index/2/SubIndex/11/DocumentIndex/395

Mass of the Roman Rite
- Latin of the ordinary of the Tridentine Mass as it was in 1962, side by side with an English translation. With rubrics. 85K.
- http://www.fordham.edu/halsall/basis/latinmass2.html

The Latin Mass Magazine
- Subscription information, sample articles.
- http://www.latinmassmagazine.com/

Tridentine Community Directories
- Tridentine Latin Masses and parishes, religious orders, schools, and publications.
- http://www.latinmass.org/directory.html