• 29 Books
• 2 Microforms

• 14 Catholic Church
• 5 History of doctrines
• 5 Protestant churches
• 4 Lutheran Church
• 4 Theology
• 3 Christianity
• 3 Church
• 2 Calvin, Jean, 1509-1564
• 2 Methodology
• 2 Reformed Church
• 1 Adam, Karl, 1876-1966
• 1 Alexandrian school, Christian
• 1 Angels
• 1 Apologetics
• 1 Augustine, of Hippo, Saint, 354-430
• 1 Cappadocian Fathers
• 1 Catholic authors
• 1 Catholic literature
• 1 Christian heresies
• 1 Christian sociology
• 1 Christian union
• 1 Christianity and other religions

• 4 Rahner, Karl, 1904-1984
• 3 Raffelt, Albert
• 2 Lehmann, Karl, 1936-2018
• 2 Neuser, Wilhelm H
• 1 Alexander, of Hales, approximately 1185-1245
• 1 Anz, Wilhelm, 1904-
• 1 Armstrong, Brian G
• 1 Barth, Karl, 1886-1968
• 1 Basse, Michael
• 1 Burkard, Dominik
• 1 Flückiger, Felix
• 1 Grabmann-Institut zur Erforschung der Mittelalterlichen Theologie und Philosophie
• 1 Greschat, Martin
• 1 Heislbetz, Josef
• 1 Honorius, of Autun, approximately 1080-approximately 1156
• 1 Hutter, Leonhard, 1563-1616
• 1 Häring, Nikolaus M
• 1 International Congress on Calvin Research (1994 : Edinburgh, Scotland)
• 1 International Congress on Calvin Research (4th : 1990 : Grand Rapids, Mich.)
• 1 Kantzenbach, Friedrich Wilhelm
• 1 Laemmer, Hugo, 1835-1918
• 1 Liedke, Helmut, 1925-
• 1 Luther, Martin, 1483-1546
• 1 Meisner, Helmut
• 1 Petrus, Wiensis, -1183

• 5 English
• 3 French
• 3 Latin
• 1 Italian

• 3 Germany
• 1 Brazil
• 1 Byzantine Empire
• 1 Middle East

• 3 Congresses
• 3 Controversial literature
• 2 Early works to 1800
• 1 Biography
• 1 Dictionaries
• 1 Popular works
• 1 Sources

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