On the Liturgy in General:
Documents
On the Sacraments:
Rite of Christian Initiation for Adults
Christian Initiation, General Introduction , by the Congregation for Divine Worship and the Discipline of the Sacraments, February 19, 1988
Rite of Christian Initiation of Adults, Introduction (via the Liturgy Office of England and Wales. Note that the Introduction contains all of the introductory material for each of the various sections of the RCIA, whereas in the printed USA copy, the introductory sections have been divided and place immediately before each section.)
Sacrament of Baptism
Sacrament of Confirmation
Sacrament of the Eucharist
Apostolic Constitution on the Roman Missal (Missale Romanum) by Pope Paul VI, April 3, 1969
General Instruction of the Roman Missal with US adaptations, from the United States Conference of Catholic Bishops
Norms for the Distribution and Reception of Holy Communion Under Both Kinds in the Dioceses of the United States of America by the USCCB, April 7, 2002
Encyclical “On Keeping the Lord’s Day Holy” (Dies Domini ) by Pope John Paul II, July 5, 1988
Encyclical “On the Eucharist in its Relationship to the Church” (Ecclesia de Eucharistia) by Pope John Paul II, April 17, 2003
Instruction “On Certain Matters To Be Observed or To Be Avoided Regarding the Most Holy Eucharist” (Redemptionis Sacramentum ) by the Congregation for Divine Worship and the Discipline of the Sacraments, March 25, 2004
Lectionary for Mass, Introduction , by the Sacred Congregation for the Sacraments and Divine Worship, January 21, 1981
Letter “The Sacrament of Charity” (Sacramentum Caritatis), by Pope Benedict XVI, February 22, 2007
Letter “The Word of the Lord” (Verbum Domini), by Pope Benedict XVI, September 30, 2010
The Sacrament of the Eucharist from the Catechism of the Catholic Church (numbers 1322-1419)
On the Third Edition of the Roman Missal:
Sacrament of Penance
Sacrament of Anointing
Sacrament of Holy Orders
Sacrament of Matrimony
On the Sacramentals and Devotions:
On Funerals
Funerals from the Catechism of the Catholic Church (numbers 1680-1690)