• 5 Microforms

• 34 Doctrines
• 17 History
• 6 Christianity
• 5 Church
• 4 Catholic authors
• 4 History of doctrines
• 4 Rahner, Karl, 1904-1984
• 4 Relations
• 4 Theology
• 3 Theological anthropology
• 2 Christian sociology
• 2 Christianity and other religions
• 2 Counter-Reformation
• 2 Elucidarius
• 2 Exercitia spiritualia
• 2 Honorius, of Autun, approximately 1080-approximately 1156
• 2 Ignatius, of Loyola, Saint, 1491-1556
• 2 Interviews
• 2 Judaism
• 2 Methodology
• 2 Orthodox Eastern Church
• 2 Protestant authors
• 2 Protestant churches

• 13 Rahner, Karl, 1904-1984
• 7 Raffelt, Albert
• 3 Lehmann, Karl, 1936-2018
• 2 John, of Damascus, Saint
• 2 Rosignoli, Carlo Gregorio, 1631-1707
• 2 Vorgrimler, Herbert
• 1 Alexander, of Hales, approximately 1185-1245
• 1 Arnoldshainer Konferenz
• 1 Balthasar, Hans Urs von, 1905-1988
• 1 Basse, Michael
• 1 Besters-Dilger, Juliane
• 1 Biallowons, Hubert
• 1 Bichlmair, Georg, 1890-
• 1 Bullinger, Heinrich, 1504-1575
• 1 Burkard, Dominik
• 1 Deuringer, Karl, 1911-1984
• 1 Egan, Harvey D
• 1 Fishacre, Richard, approximately 1200-1248
• 1 Flacius Illyricus, Matthias, 1520-1575
• 1 Fries, Heinrich
• 1 Führer, M. L. (Markus Lorenz)
• 1 Grabmann-Institut zur Erforschung der Mittelalterlichen Theologie und Philosophie
• 1 Grumbach, Argula von, 1492-approximately 1568
• 1 Heerbrand, Jakob, 1521-1600
• 1 Heislbetz, Josef

• 7 Latin
• 6 English
• 3 French
• 2 Church Slavic
• 2 Greek, Ancient (to 1453)
• 2 Italian
• 1 Spanish

• 2 Germany
• 1 Brazil
• 1 Europe
• 1 Spain

• 9 Controversial literature
• 8 Early works to 1800
• 2 Popular works
• 2 Sources
• 1 Comparative studies
• 1 Congresses
• 1 Correspondence
• 1 Dictionaries
• 1 Interviews
• 1 Texts

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