| Call number | Item |
| B | Philosophy, Psychology, and Religion (Go to start of category) |
| BL-BX | Religion (Go to start of category) |
| BT | Christian Doctrinal Theology (Go to start of category) |
| BT1315 .B313 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Orthodoxy and Heresy in Earliest Christianity, by Walter Bauer, ed. by Robert A. Kraft and Gerhard Krodel (HTML at jewishchristianlit.com) |
| BT1315 .B4 | The Great Heresies, by Hilaire Belloc (text files at EWTN) |
| BT1318 .T46 | The Prescription Against Heretics, by Tertullian, trans. by Peter Holmes (HTML with commentary at CCEL) |
| BT1350 .G85 | Studies of Arianism: Chiefly Referring to the Character and Chronology of the Reaction Which Followed the Council of Nicaea (second edition; Cambridge: Deighton Bell and Co., 1900), by Henry Melvill Gwatkin (multiple formats at archive.org) |
| BT1350 .N4 | The Arians of the Fourth Century (London: Longmans, Green, and Co., 1908), by John Henry Newman (HTML at newmanreader.org) |
| BT1355 .R12 | Bogomili i Patareni (in Croatian; extracted from Rad/Jugoslavenska akademija znanosti i umjetnost, 1869-1870), by Franjo Rački (page images at HathiTrust) |
| BT1390 | Paul the Gnostic Opponent of Peter, Not an Apostle of Historic Christianity, by Gerald Massey (HTML in the UK) |
| BT1390 .K5 | The Gnostics and Their Remains, Ancient and Mediaeval (second edition; London: David Nutt, 1887), by C. W. King (HTML with commentary at sacred-texts.com) |
| BT1390 .M45 I7 1909 | Frammenti di una Fede Dimenticata: Brevi Studi Sugli Gnostici, Principalment dei Primi due Secoli, Contributo allo Studio delle Origini Cristiane, Basato su Materiali più Recentemente Ricuperati (Italian translation of the second edition of "Fragments of a Faith Forgotten"; 1909), by G. R. S. Mead, trans. by M. L. Kirby and B. Fantoni (page images at HathiTrust; US access only) |
| BT1390 .M45 1900 | Fragments of a Faith Forgotten (London: Theosophical Publishing Society, 1900), by G. R. S. Mead (HTML with commentary at sacred-texts.com) |
| BT1390 .M45 1906 | Fragments of a Faith Forgotten (second edition; London and Varanasi: Theosophical Publishing Society, 1906), by G. R. S. Mead (multiple formats at archive.org) |
| BT1390 .P5 1921 | Pistis Sophia: A Gnostic Miscellany (London: J. M. Watkins, 1921), ed. by G. R. S. Mead (HTML with commentary at sacred-texts.com) |
| BT1465 .B2 1909 | Priscillien et le Priscillianisme (in French; Paris: H. Champion, 1909), by E. Ch. Babut (page images at HathiTrust) |
| BT4391 .E5 1913 | The Holy Week Book, Compiled by Authority From the Roman Missal and Breviary, As Reformed by Order of Pope Pius X (pointed edition, with Mass texts in Latin and English; London: Burns, Oates and Washbourne, ca. 1913), by Catholic Church, contrib. by Adrian Fortescue |
| BV | Christian Practical Theology (Go to start of category) |
| BV1 .R5 | Reformed Worship (article texts (without accompanying images and music); 1986-recent) (partial serial archives) |
| BV10 .D48 1911 | A New Rome: A Study of Visible Unity Among Non-Papal Christians (London et al.: Longmans, Green and Co., 1911), by Richard De Bary |
| BV40 .A7 2007 | When the Time Was Fulfilled: Christmas Meditations (Rifton, NY et al.: Plough Publishing House, c2011), by Eberhard Arnold, Christoph Blumhardt, and Alfred Delp (PDF at plough.com) |
| BV40 .G6 1915 | The Prince of Peace: Meditations (London: Burns, Oates and Washbourne, c1915), by Alban Goodier (multiple formats at archive.org) |
| BV43 .L4 | The Hidden Side of Christian Festivals (Los Angeles et al.: St. Alban Press, 1920), by C. W. Leadbeater |
| BV45 .C5 | The Twelve Days of Christmas (c1955), by Elsa Chaney (HTML at EWTN) |
| BV45 .C606 1953 | Our Christmas Symbols (Raleigh, NC: Graphic Press, c1953), by Aylene E. Cooke and Cameron Cooke (multiple formats at archive.org) |
| BV45 .H43 | The Mystical Interpretation of Christmas, by Max Heindel (multiple formats at archive.org) |
| BV45 .S9 | True Christmas Spirit (c1955), by Edward J. Sutfin (HTML at EWTN) |
| BV45 .V3 | The Spirit of Christmas, by Henry Van Dyke (Gutenberg text) |
| BV47 .M3 | St. Nicholas: His Legend and His Rôle in the Christmas Celebration and Other Popular Customs (New York and London: G. P. Putnam's Sons, 1917), by George Harley McKnight |