• 19 Books

• 13 Christianity
• 4 Atheism
• 4 Religion
• 3 Islam
• 2 Anarchism
• 2 Antichrist
• 2 Apologetics
• 2 Catholic Church
• 2 Christianity and other religions
• 2 Doctrines
• 2 History
• 2 Nietzsche, Friedrich Wilhelm, 1844-1900
• 2 Religious aspects
• 1 Benedict XVI, Pope, 1927-2022
• 1 Criticism and interpretation
• 1 Globalization
• 1 Hirsi Ali, Ayaan, 1969-
• 1 History of doctrines
• 1 Islam and world politics
• 1 Islamic renewal
• 1 Jesus Christ
• 1 Origin
• 1 Philosophy
• 1 Philosophy and religion
• 1 Philosophy, German

• 3 Nietzsche, Friedrich Wilhelm, 1844-1900
• 2 Bakunin, Mikhail Aleksandrovich, 1814-1876
• 1 Abad de Santillán, Diego, 1897-1983
• 1 Alcalá, Angel
• 1 Balmes, Jaime Luciano, 1810-1848
• 1 Benedict XVI, Pope, 1927-
• 1 Benedict XVI, Pope, 1927-2022
• 1 Bernet, Roberto
• 1 Borghesi, Massimo, 1951-
• 1 Brigard, Felipe de
• 1 Cabada Castro, Manuel, 1935-
• 1 Calzadilla Núñez, Julia
• 1 Cano, Germán, 1969-
• 1 Chesterton, G. K. (Gilbert Keith), 1874-1936
• 1 Ciria, Alberto
• 1 Darkin, R.
• 1 Dauder, Jordi, 1938-2011
• 1 Dennett, D. C. (Daniel Clement)
• 1 Dols Gallardo, Gabriel
• 1 Feuerbach, Ludwig, 1804-1872
• 1 García-Máiquez, Enrique, 1969-
• 1 Garrido López, Ángel
• 1 González Muñoz, Fernando
• 1 Gouteux, Jean-Paul

• 19 Spanish
• 2 Latin

• 1 Islamic countries

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