• 55 Books

• 23 Philosophers
• 5 Philosophers, Ancient
• 5 Philosophy, Ancient
• 4 History
• 4 Physicists
• 3 Authors, American
• 3 Mathematicians
• 2 Archimedes
• 2 Aristotle
• 2 Augustine, of Hippo, Saint, 354-430
• 2 Authors, Irish
• 2 Authors, Russian
• 2 Beckett, Samuel, 1906-1989
• 2 Berkeley, George, 1685-1753
• 2 Bohr, Niels, 1885-1962
• 2 Borges, Jorge Luis, 1899-1986
• 2 Confucius
• 2 Crick, Francis, 1916-2004
• 2 Curie, Marie, 1867-1934
• 2 Darwin, Charles, 1809-1882
• 2 Derrida, Jacques
• 2 Descartes, René, 1596-1650
• 2 Dostoyevsky, Fyodor, 1821-1881
• 2 Einstein, Albert, 1879-1955
• 2 Foucault, Michel, 1926-1984

• 23 Padilla Villate, José Antonio
• 12 Chaparro Martínez, Sandra
• 5 Corriente, Antón
• 2 Fontes, Marta
• 1 Bello, Flavia
• 1 Farré Díaz, Paloma
• 1 Fortes, Marta
• 1 Tena, Pedro
• 1 Tutor, Pilar

• 5 Great Britain
• 4 France
• 4 Germany
• 2 Italy
• 2 United States
• 1 Algeria
• 1 Austria
• 1 China
• 1 Denmark
• 1 England
• 1 Greece
• 1 Hippo (Extinct city)
• 1 Netherlands
• 1 Poland
• 1 Scotland

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