This list is non-exhaustive and is designed only as a quick reference.
AA
Apostolicam actuositatem
AAS
Acta Apostolicae Sedis
AG
Decree Ad gentes
CCEO
Codex Canonum Ecclesiarum Orientalium
CD
Decree Christus Dominus
CDF
Congregation for the Doctrine of the Faith
CDWDS
Congregation for Divine Worship and the Discipline of the Sacraments
CIC
Codex Iuris Canonici
CLSA
Canon Law Society of America
DC
Instruction Dignitas connubii
DH
Declaration Dignitatis humanae
DV
Dogmatic Constitution Dei verbum
GE
Declaration Gravissimum educationis
GS
Pastoral Constitution Gaudium et spes
ICEL
International Commission on English in the Liturgy
IM
Decree Inter mirifica
LEF
Lex Ecclesiae fundamentalis
LG
Dogmatic Constitution Lumen gentium
MI
Motu proprio Mitis Iudex Dominus Iesus
NA
Declaration Nostra aetate
OE
Decree Orientalium Ecclesiarum
OT
Decree Optatam totius
PB
Apostolic Constitution Pastor bonus
PC
Decree Perfectae caritatis
PCLT
Pontifical Council for Legislative Texts
PO
Decree Presbyterorum ordinis
RRDec
Rotae Romanae Tribunal, Decisiones seu sententiae
RRDecr
Rotae Romanae Tribunal, Decreta
SC
Constitution Sacrosanctum Concilium
UR
Unitatis redintegratio
USCCB
United States Conference of Catholic Bishops
Commonly recognized abbreviations
Below is the list of abbreviations as it appears in the New Commentary on the Code of Canon Law, xxi-xxxii. It includes detailed citations of the sources used in the commentary and can be helpful in identifying and locating them.