Archivum Liturgicum A complete collection of all the official Latin liturgical texts of the Roman rite. No English translation at all on this site. Includes: - Missale Romanum - Breavrium Romanum - Pontificale Romanum - Rituale Romanum - Caeremoniale Episcoporum - Martyrologium Romanum - Orationes in Benedictione Ss.mi Sacramenti
On the 40th Anniversary of the Constitution on the Sacred Liturgy (Spiritus et Sponsa) Pope John Paul II's 2003 Apostolic Letter on the Second Vatican II's document on the Liturgy, Sacrosanctum Concilium. See also by Pope John Paul II:
- On the 25th Anniversary of the Promulgation of the Conciliar Constitution on the Sacred Liturgy (Vicesimus Quintus Annus)
On Divine Worship (Divini Cultus) Pope Pius XI's 1928 Encyclical Letter.
The Reform of the Liturgy (Quo Primum) The Apostolic Constitution issued by Pope Pius V in 1570.
Instruction on Liturgical Formation in Seminaries Issued by the Vatican's Congregation for Catholic Education in 1979. Calls for a "'mystagogical' formation" of priests.