| A Bibliography of African Languages and Linguistics | John D. Murphy |
| A Bibliography of Scientific, Technical, and Specialized Dictionaries | Charles William Rechenbach |
| A Discovery of the True Causes Why Ireland Was Never Entirely Subdued and Brought Under Obedience of the Crown of England Until the Beginning of His Majesty's Happy Reign (1612) | John Davies |
| A Family of His Own | Charles F. Duffy |
| A General Doctrine of the Sacraments and The Mystery of the Eucharist | Johann Auer |
| A German Life in the Age of Revolution | Jon Vanden Heuvel |
| A Gregorian Chant Master Class | Ward Method |
| A History of Neo-Arianism | Thomas A. Kopecek |
| A History of the Poles in America to 1908, Part I | Wac¦aw Kruszka |
| A History of the Poles in America to 1908, Part II | Wac¦aw Kruszka |
| A History of the Poles in America to 1908, Part III | Wac¦aw Kruszka |
| A History of the Poles in America to 1908, Part IV | Waclaw Kruszka |
| A Manual of Comparative Romance Linguistics | Henry Mendeloff |
| A New Earth | Douglas Thorpe |
| A Parish for the Federal City | Morris J. MacGregor |
| A Primer of Ecclesiastical Latin | John F. Collins |
| A Primer of Medieval Latin | Charles H. Beeson |
| A Short History of Thomism | Romanus Cessario |
| A Spiritual Theology of the Priesthood | Dermot Power |
| A Straight Path | R Link-Salinger |
| A Thomas More Source Book | Gerard B. Wegemer and Stephen W. Smith |
| Abject Loyalty | James H. Murphy |
| Abortion and Unborn Human Life | Patrick Lee |
| Acting Between the Lines | Marilynn J. Richtarik |
| Acts Amid Precepts | Kevin L. Flannery S.J. |
| After Ideology | David Walsh |
| Against Julian | Saint Augustine |
| Alexis De Tocqueville's Journey in Ireland, July-August, 1835 | Alexis de Tocqueville |
| Alliterative Poetry of the Later Middle Ages | T Turville-Petre |
| An American Abbot | Jerome Oetgen |
| An Analysis of the Prosodic Structure of Selected Poems of T.S. Eliot | M. Barry |
| An Answer Key to A Primer of Ecclesiastical Latin | John R. Dunlap |
| An Answer unto Sir Thomas More's Dialogue | William Tyndale |
| An Anthology of Old Spanish | Tatiana Zurunitch Fotitch |
| An Exposition of the On the Hebdomads of Boethius | Thomas Aquinas |
| An Giall ; The Hostage | Brendan Behan |
| An Inimitable Example | P Henry |
| An Introduction to the Study of Medieval Latin Versification | Dag Norberg |
| Ancient Faith and Modern Freedom in John Dryden's The Hind and the Panther | Anne Barbeau Gardiner |
| Ancient Patterns Modern Prayer | TA. Krosnicki |
| Ancients and Moderns | John K. Ryan |
| Andreas Capellanus, Scholasticism, and the Courtly Tradition | Don A. Monson |
| Angels Demons | E. Schenweis |
| Apologetical Works; Octavius | Tertullian; Minucius Felix |
| Apologist | Saint John Chrysostom |
| Appropriating the Lonergan Idea | Frederick E. Crowe |
| Aquinas and Analogy | Ralph M. McInerny |
| Aquinas on Human Action | Ralph M. McInerny |
| Aquinas on the Divine Ideas as Exemplar Causes | Gregory T. Doolan |
| Aquinas on the Twofold Human Good | Denis J. M. Bradley |
| Aquinas the Augustinian | Michael Dauphinais Barry David, and Matthew Levering, eds. |
| Aquinas's Summa | Jean-Pierre Torrell |
| Arianism | Robert C. Gregg , ed. |
| Aristotle in Late Antiquity | L Schrenk |
| Arthur J. Balfour and Ireland, 1874-1922 | Catherine B. Shannon |
| As One Sent | Thomas J. Morrissey |
| Ascetical Works | Saint Basil |
| Ascetical Works | Saint Gregory of Nyssa |
| At the Center of the Human Drama | Kenneth L. Schmitz |
| At the Limits of Political Philosophy | James V. Schall |
| Austria and the Papacy in the Age of Metternich | Alan J. Reinerman |
| Austria and the Papacy in the Age of Metternich | Alan J. Reinerman |
