• 13 Books

• 3 Atheism
• 2 Anarchism
• 2 Antichrist
• 2 Nietzsche, Friedrich Wilhelm, 1844-1900
• 1 Apologetics
• 1 Benedict XVI, Pope, 1927-2022
• 1 Catholic Church
• 1 Christianity and other religions
• 1 Criticism and interpretation
• 1 Doctrines
• 1 History
• 1 History of doctrines
• 1 Islam
• 1 Jesus Christ
• 1 Origin
• 1 Philosophy
• 1 Philosophy, German
• 1 Postmodernism
• 1 Relations
• 1 Religion
• 1 Religious aspects
• 1 Seidel, Martin, 1545?-
• 1 Servetus, Michael, 1511?-1553
• 1 Theological anthropology

• 3 Nietzsche, Friedrich Wilhelm, 1844-1900
• 2 Bakunin, Mikhail Aleksandrovich, 1814-1876
• 1 Abad de Santillán, Diego, 1897-1983
• 1 Alcalá, Angel
• 1 Benedict XVI, Pope, 1927-
• 1 Benedict XVI, Pope, 1927-2022
• 1 Bernet, Roberto
• 1 Borghesi, Massimo, 1951-
• 1 Cabada Castro, Manuel, 1935-
• 1 Cano, Germán, 1969-
• 1 Ciria, Alberto
• 1 Darkin, R.
• 1 Dauder, Jordi, 1938-2011
• 1 Feuerbach, Ludwig, 1804-1872
• 1 Garrido López, Ángel
• 1 Iglesias, José L.
• 1 Jaspers, Karl, 1883-1969
• 1 Koike, Ayako
• 1 Oriol Salgado, Manuel
• 1 Pons Fuster, Francisco
• 1 Pérez de Chinchón, Bernardo, active 16th century
• 1 Seidel, Martin, 1545?-
• 1 Servetus, Michael, 1511?-1553
• 1 Simón Fernández, Louis

• 13 Spanish
• 2 Latin

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