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Ecclesiastical & Latin Abbreviations

Books & Documents

  • AASActa Apostolicæ Sedis – Acts of the Holy See
  • CIC/1917 – Codex Iuris Canonici (1917) – Code of Canon Law (1917)
  • CIC/1983 – Codex Iuris Canonici (1983) – Code of Canon Law (1983)
  • NTNovum Testamentum – New Testament
  • OVS – Orinationes ad Apostolicam Constitutionem Veterum Sapientia by the by the Sacred Congregation for Seminaries and Universities (links to the Latin text and several translations can be found here)
  • PGPatrologia Græca – Greek Patrology (a collection of the writings of the Greek Church Fathers)
  • PLPatrologia Latina – Latin Patrology (a collection of the writings of the Latin Church Fathers)
  • PPFProgram for Priestly Formation – by the USCCB 5th ed (2006)
  • SmThSumma Theologiæ by Saint Thomas Aquinas (sometimes written Summa Theologica; also abbreviated “ST“)
  • STSumma Theologiæ by Saint Thomas Aquinas (sometimes written Summa Theologica; also abbreviated “SmTh“)
  • VSVeterum Sapientia, Apostolic Constitution promulgated by Pope John XXIII in 1962 (links to the Latin text and several translations can be found here)
  • VTVetus Testamentum – Old Testament

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Congregations, Orders, etc.

  • CPM – Congregatio Presbyterorum a Misericordia – Congregation of the Priests of Mercy (Fathers of Mercy)
  • FSSP – Fraternitas Sacerdotalis Sancti Petri – Priestly Fraternity of Saint Peter
  • FSSR – Filii Sanctissimi Redemptoris – Congregation of the Sons of the Most Holy Redeemer (Transalpine Redemptorists)
  • FSSPX – Fraternitas Sacerdotalis Sancti Pii X – Priestly Fraternity of Saint Pius X
  • ICRSS – Institutum Christi Regis Summi Sacerdotis – Institute of Christ the King Sovereign Priest
  • MSJB – Missionarii Sancti Joannis Baptistæ – Missionaries of Saint John the Baptist
  • OCD – Ordo Carmelitarum Discalceatorum – Order of Discalced Carmelites
  • OFM – Ordo Fratrum Minorum – Order Friars Minor (Franciscans)
  • OP – Ordo Prædicatorum – Order of Preachers (Dominicans)
  • O. Prem. – Ordo Praemonstratensium – Premonstratensian Order (Norbertines)
  • OSB – Ordo Sancti Benedicti – Order of Saint Benedict (Benedictines)
  • SJ – Societas Jesu – Society of Jesus (Jesuits)
  • SJC – Canons Regular of Saint John Cantius

Dates & Times

  • AC – ante Christum – before Christ
  • ACN – ante Christum natum – before Christ (was) born (commonly “a.C.n.”)
  • AD – anno Domini – in the year of Our Lord
  • a.d. – ante diem the day before
  • a.m. – ante meridiem – before midday
  • An. – annus – year
  • Ann. – anni – years
  • d. – dies – day
  • Fer. – feria – weekday
  • Is. – Idus – Ides
  • Kal. – Kalendæ – Calends
  • p.m. – post meridiem – after midday
  • s.d. – sine data – undated
  • Temp. – tempus – time (or tempore – in x time)

Other Latin Abbreviations

  • cf. – confer – compare (also “cfr.”)
  • cfr. – confer – compare (also “cf.”)

Persons & Titles

  • Ab. – Abbas – Abbot
  • B. – Beatus – Blessed
  • BB. – Beati – Blesseds
  • BVM – Beata Virgo Maria – Blessed Virgin Mary (also (“BMV”)
  • BMV – Beata Maria Virgo – Blessed Virgin Mary (also (“BVM”)
  • Can. – Canonicus – Canon
  • Conf. – Confessor – Confessor
  • Conf. Doct. – Confessor et Doctor – Confessor and Doctor
  • Conf. Pont. – Confessor Pontifex – Confessor and Bishop
  • DNJC – Dominus Noster Jesus Christus – Our Lord Jesus Christ
  • Fr. – Frater – Brother
  • IHS – Iesus Hominum Salvator – Jesus Savior of Men
  • JC – Jesus Christus – Jesus Christ
  • JMJ – Jesus, Maria, Joseph – Jesus, Maria, Joseph
  • M. – Maria – Mary
  • Pont. Max. – Pontifex Maximus – Supreme Pontiff (the Pope)
  • PP. – Papa – Pope
  • RP – Reverendus Pater – Reverend Father
  • SSDN – Sanctissimus Dominus Noster – Our Most Holy Lord (also “Ss.D.N.”)
  • Sr. – Soror – Sister
  • S. – Santus – Saint
  • SS. – Santi – Saints
  • Ux. – Uxor – Wife
  • Vid. – Vidua – Widow
  • Virg. – Virgo – Virgin

Roman Curia, etc.

  • CDF – Congregatio pro Doctrina Fidei – Congregation for the Doctrine of the Faith
  • FLCC – Facultas litterarum christianarum et classicarum – Faculty of Christian and Classical Letters (Facoltà di lettere cristiane e classiche in Italian; another name for PIAL)
  • PIAL – Pontificum Institutum Altioris Latinitatis – Pontifical Institute of Higher Latin
  • SRE – Sancta Romana Ecclesia – Holy Roman Church
  • USCCB – United States Conference of Catholic Bishops

Nota Bene:

The stylization of the above abbreviations generally follows the norms of the Chicago Manual of Style, 17th ed.

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