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About

Encyclopedia of Catholic Theology

The Encyclopedia of Catholic Theology (ECT) is an online, open-access resource providing readers with a contemporary presentation of the teaching of the Catholic Church.

Our Mission

To make the best resources for theological education accessible to all the members of the global Catholic Church.

Core Values

The sacred teaching that Jesus entrusted to his Church is available to all. The ECT attempts to make the splendor of truth accessible to all peoples of all backgrounds and states in life.

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Our Audience

  • Gary A. Anderson(Professor: University of Notre Dame – Notre Dame, IN)
  • The Reverend Patrick Briscoe, O.P.(Editor: Our Sunday Visitor)
  • Joseph E. Capizzi(Dean and Professor: School of Theology & Religious Studies, The Catholic University of America – Washington, DC)
  • The Very Reverend Mark Doherty(Rector: St. Patrick’s Seminary – Menlo Park, CA)
  • Abbot Jeremy Driscoll, O.S.B.(Chancellor: Mount Angel Seminary – Saint Benedict, OR)
  • The Most Reverend Earl K. Fernandes(Bishop: Diocese of Columbus)
  • The Reverend Stephen M. Fields, S.J.(Professor: Georgetown University – Washington, DC)
  • Angela Franks(Professor: The Catholic University of America – Washington, DC)
  • Jennifer Frey(Dean and Professor: The University of Tulsa – Tulsa, OK)
  • Heidi Giebel(Professor: The University of St. Thomas – St. Paul, MN)
  • The Reverend Ghislain-Marie Grange, O.P.(Professor: Dominican Studium – Toulouse, France)
  • Russell Hittinger(Director and Professor: The Catholic University of America – Washington, DC)
  • Joshua Hochschild(Professor: Mt. St. Mary’s University – Emmitsburg, MD)
  • Paige Hochschild(Professor: Mt. St. Mary’s University – Emmitsburg, MD)
  • The Very Reverend Paul Hoesing(Rector: Kenrick-Glennon Seminary – St. Louis, MO)
  • Peter K. Kilpatrick(President: The Catholic University of America – Washington, DC)
  • Patrick Lee(Director and Professor: Franciscan University of Steubenville – Steubenville, OH)
  • Matthew Levering(Professor: University of Saint Mary of the Lake – Mundelein, IL)
  • The Most Reverend William E. Lori(Archbishop: Archdiocese of Baltimore)
  • Craig Miller(CEO: FOCUS Mission Foundation – Golden, CO)
  • Thomas M. Osborne, Jr.(Professor: University of St. Thomas – Houston, TX)
  • The Most Reverend Edward M. Rice(Bishop: Diocese of Springfield-Cape Girardeau)
  • Jonathan J. Sanford(President: University of Dallas – Irving, TX)
  • D. C. Schindler(Professor: Pontifical John Paul II Institute for Studies on Marriage and Family – Washington, DC)
  • The Very Reverend Gladstone Stevens, P.S.S.(Rector: Theological College – Washington, DC)
  • "Scandal"Justin M. AndersonSeton Hall University – South Orange, NJ
  • Transhumanism"Jason Eberl and Fr. Michael BaggotSaint Louis University – St. Louis, MO; Pontifical Athenaeum Regina Apostolorum – Rome
  • "Medieval Latin Liturgical Poetry"Jose BellezaMount St. Mary's Seminary and School of Theology – Cincinnati, OH
  • "Moral Manuals"Brian BesongSaint Francis University – Loretto, PA
  • "Buddhism and Christianity"Tyler Dalton McNabb and Joseph BladoVinUniversity – Hanoi, Vietnam; Wofford College – Spartanburg, SC
  • "Church Fathers"Gerald BoersmaAve Maria University – Ave Maria, FL
  • "God as One"Serge-Thomas Bonino, O.P.Angelicum – Rome
  • "Synderesis"Ryan J. BradyThomas Aquinas College – Santa Paula, CA
  • "Rational Credibility"Fr. James Brent, O.P.Dominican House of Studies – Washington DC
  • "Greco-Roman Intellectual and Cultural Influences on the New Testament"Timothy BrookinsUniversity of St. Thomas – Houston, TX
  • "Diaconate"Msgr. Marc B. CaronSt. Mary’s Seminary and University – Baltimore, MD
  • "Holy Orders (Pastores dabo vobis)"Romanus Cessario, O.P.Ave Maria University – Ave Maria, FL
  • "Epistemology"Brian Chrzastek, O.P.Dominican House of Studies – Washington, DC
  • "Intellectual Context of 13th Century Scholasticism (to 1274)"Mark ClarkThe Catholic University of America – Washington, DC
  • "Martyrdom"Patrick M. ClarkUniversity of Scranton – Scranton, PA
  • "Family and Social Doctrine"David S. CrawfordJohn Paul II Institute – Washington, D.C.
  • "Philosophy of St. Bonaventure"Christopher Cullen, S.J.Fordham University – Bronx, NY
  • "Imago Dei"Michael DauphinaisAve Maria University – Ave Maria, FL
  • "Philosophical Anthropology"Daniel D. De HaanBlackfriars and Campion Hall – Oxford
  • "Arabic Aristotelianism"Thérèse-Anne DruartThe Catholic University of America – Washington, DC
  • "The Catechism of the Catholic Church"Matthew DuBroyAquinas Institute for Christian Perfection
  • "Divine Indwelling"John Emery, O.P.Angelicum – Rome
  • "Scriptural Revelation of the Trinity"Fr. Thomas Esposito, O.Cist.University of Dallas – Irving, TX
  • "Angelic Knowledge and Volition"Francis FeingoldKenrick Glennon Seminary – St. Louis, MO
  • "Immateriality and Immortality of the Soul"Edward FeserPasadena City College – Pasadena, CA
  • "Hope"Jeffrey P. FroulaSt. Patrick's Seminary – Menlo Park, CA
  • "Eucharistic Themes in John"Daniel M. Garland, Jr.Ohio Dominican University – Columbus, OH
  • "Franciscan Theological Tradition"Jared GoffCollege of St. Joseph the Worker – Steubenville, OH
  • "Marriage"Paul GondreauProvidence College – Providence, RI
  • "Modern Philosophy and Moral Theology"David Goodill, O.P.Blackfriars Hall – Oxford
  • "Sexual Ethics"John GrabowskiThe Catholic University of America – Washington, DC
  • "Early Christian Asceticism"Andrew HayesUniversity of St. Thomas – Houston, TX
  • "Philosophy of Culture"Nicholas HealyJohn Paul II Institute – Washington, D.C.
  • "Cajetan on Analogy"Joshua HochschildMount St. Mary's University – Emmitsburg, MD
  • "Psychology and Priestly Formation"Anthony IsaccoChatham University – Pittsburgh, PA
  • "Scriptural Revelation of the Incarnation"Jennie Grillo and Samuel B. JohnsonUniversity of Notre Dame – Notre Dame, IN; Mount St. Mary’s Seminary and School of Theology – Cincinnati, OH
  • "Christian Platonism"Jessica JonesFranciscan University of Steubenville – Steubenville, OH
  • "Political Forms"Patrick JonesFranciscan University of Steubenville – Steubenville, OH
  • "Priestly Spirituality"Matthew KauthSt. Joseph College Seminary – Holly, NC
  • "Semiotics"Brian KempleLyceum Institute
  • "The Modernist Crisis"Jon KirwanUniversity of St. Thomas – Houston, TX
  • "Nominalism"Gyula KlimaFordham University – New York, NY
  • "Mariology"Evan S. KoopSaint Paul Seminary – St. Paul, MN
  • "Just Wage"Michael KromSaint Vincent College – Latrobe, PA
  • "Four Marks of the Church"Travis LacyProvidence College – Providence, RI
  • "Theology of Joseph Ratzinger"Uwe Michael LangSt. Mary's University – Twickenham, London
  • "Baptism"Dominic Langevin, O.P.Dominican House of Studies – Washington, DC
  • "Eucharist"Daniel LendmanAve Maria University – Ave Maria, FL
  • "Women in Scripture"Jody LewisDominican House of Studies – Washington, DC
  • "Graces of Christ"Joshua LimUniversity of Notre Dame – Notre Dame, IN
  • "Christology"Austin Litke, O.P.Angelicum – Rome
  • "Overview of Aristotle and His Reception in Christian Theology"Ambrose Little, O.P.Dominican House of Studies – Washington, DC
  • "Praeambula Fidei"Steven A. LongAve Maria University – Ave Maria, FL
  • "Early / Classical Modern Philosophy"John McCarthyThe Catholic University of America – Washington, DC
  • "Peace"John MeinertBenedictine College – Atchison, KS
  • "Karl Barth and Catholic Theology"James MerrickBenedictine College – Atchison, KS
  • "Tradition and traditions"Andrew MeszarosSt. Patrick's Pontifical University – Maynooth, Ireland
  • "Merit"Matthew K. MinerdOnline Editor, Encyclopedia of Catholic Theology
  • "Sources of Theology (De locis theologicis)"Matthew K. MinerdOnline Editor, Encyclopedia of Catholic Theology
  • "Holy Week Liturgies in Byzantine Tradition"Mark MorozowichThe Catholic University of America – Washington, DC
  • "History of the Melkite Church"Charbel NassifThe Romanian Academy – Romania
  • "Veritatis Splendor"Mother Mary Christa Nutt, R.S.M.Religious Sisters of Mercy of Alma, Michigan – Alma, MI
  • "Spiritual Theology"Gabriel O'Donnell, O.P.Dominican House of Studies – Washington, DC
  • "The Church and the Trinity"John F. O'NeillHoly Apostles College and Seminary – Cromwell, CT
  • "Grace"Taylor Patrick O'NeillThomas Aquinas College – Northfield, MA
  • "Erroneous Conscience"Nicholas OgleSaint Charles Borromeo Seminary – Lower Gwynedd, PA
  • "Carmelite Tradition"Steven Payne, O.C.D.The Catholic University of America – Washington, DC
  • "Political Theology"C. C. PecknoldThe Catholic University of America – Washington, DC
  • "Theology of the Body"Thomas Petri, O.P.Dominican House of Studies – Washington, DC
  • "The Theological Virtues"Gregory Pine, O.P.Dominican House of Studies – Washington, DC
  • "Metaphysics"Philip-Neri Reese, O.P.Angelicum – Rome
  • "Just War Tradition"Gregory M. ReichbergPeace Research Institute – Oslo
  • "Substantial Generation and Corruption"Ignacio de RiberaThe Catholic University of America – Washington, DC
  • "Prudence"Scott J. RonigerLoyola Marymount University – Los Angeles, CA
  • "Baroque Jesuit Scholasticism"Victor SalasSacred Heart Major Seminary – Detroit, MI
  • "The School of St. Victor"Andrew SalzmannBenedictine College – Atchison, KS
  • "The Preferential Option for the Poor"Kevin SchemenauerSaint Meinrad Seminary and School of Theology – St. Meinrad, IN
  • "The Human Person"D. C. SchindlerPontifical John Paul II Institute for Studies on Marriage and Family – Washington, DC
  • "Introduction to Sacred Scripture"Jordan Schmidt, O.P.Dominican House of Studies - Washington, DC
  • "Motive of the Incarnation"Dylan SchraderDiocese of Jefferson City – Jefferson City, MO
  • "Political Philosophy"Paul SeatonSt. Mary's Seminary and University – Baltimore, MD
  • "Literature and Catholic Theology"Bruno M. Shah, O.P.Providence College – Providence, RI
  • "The Five Ways"Daniel ShieldsWyoming Catholic College – Lander, WY
  • "Magisterium"Michael SirillaFranciscan University of Steubenville – Steubenville, OH
  • "Sacred Liturgy"Innocent Smith, O.P.Dominican House of Studies – Washington, DC
  • "Letter to the Hebrews"Alberto SolanoJesuit School of Theology of Santa Clara University - Berkeley, CA
  • "Philosophical Anthropology of Gender"Mary Catherine SommersUniversity of St. Thomas – Houston, TX
  • "Personalism"Mark SpencerThe University of St. Thomas – St. Paul, MN
  • "Fonts of Moral Action"James W. StroudSacred Heart Seminary & School of Theology – Hales Corner, WI
  • "Ecology and Catholic Social Teaching"Christopher ThompsonUniversity of St. Thomas – St. Paul, MN
  • "New Natural Law"Christopher TollefsenUniversity of South Carolina – Columbia, SC
  • "Francisco Marín-Sola"Michael D. TorreUniversity of San Francisco – San Francisco, CA
  • "Evil: Problem and Mystery"Michael D. TorreUniversity of San Francisco – San Francisco, CA
  • "Yves Simon"Michael D. TorreUniversity of San Francisco – San Francisco, CA
  • "Church and State"Joseph TrabbicAve Maria University – Ave Maria, FL
  • "Martin Heidegger"Joseph TrabbicAve Maria University – Ave Maria, FL
  • "Social Doctrine of the Church"Barrett TurnerMount St. Mary's University – Emmitsburg, MD
  • "Analytic Philosophy and Catholic Theology"T. Adam Van WartAve Maria University – Ave Maria, FL
  • "Medieval Theories of Divine Ideas"Carl VaterSaint Vincent College – Latrobe, PA
  • "Aristotle's Prior and Posterior Analytics"Daniel C. WagnerAquinas College – Grand Rapids, MI
  • "Maximus the Confessor"Rami WakimUniversité Saint Joseph de Beyrouth – Beirut, Lebanon
  • "Salamanca School"Steven WaldorfThe Catholic University of America – Washington, DC
  • "Original Sin"Brandon WanlessThe University of St. Thomas – St. Paul, MN
  • "Aristotle's De Anima"Anna Wray, O.P.The Catholic University of America – Washington, DC
  • "The Vulgate"Kevin ZilverbergUniversidad Pontificia de Salamanca – Salamanca
  • "The Ruthenian Church in America"Christopher Lawrence ZuggerAlbuquerque, NM

Current Operations Supported By

  • The ECT Founder’s Circle, a community of benefactors in Southeast Missouri, who contributed to the launch of the ECT and continue to support its ongoing work.
  • The ECT Editor’s Circle, a community of benefactors from around the United States, who contribute toward the acceleration of the editorial work of the ECT by sponsoring articles and translations.
  • A generous multi-year grant from the Drury Southwest Foundation.

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