His research interests range throughout the ancient pagan and Christian thought, and his most significant contributions have touched gradually Aristotle, Plato, Plotinus, Socrates and Augustine of Hippo.
Don Giovanni | Giovanni Pierluigi da Palestrina | Giovanni Bellini | Giovanni Riggi | Giovanni Boccaccio | Giovanni Battista Pergolesi | Giovanni Battista Tiepolo | Giovanni Battista Guarini | Giovanni | Giovanni Trapattoni | Giovanni "John the Eagle" Riggi | Giovanni Gabrieli | Giovanni Falcone | Villa San Giovanni | San Giovanni in Persiceto | Giovanni Verga | Giovanni van Bronckhorst | Giovanni Tamagno | Giovanni Pacini | Giovanni Battista Pescetti | Giovanni Papini | Giovanni Hidalgo | Giovanni Domenico Cassini | Giovanni de' Medici | Giovanni Bottesini | Giovanni Battista Riccioli | Giovanni Zenatello | Giovanni Visconti | Giovanni Schiaparelli | Giovanni Pisano |
Since its beginning, it has published the work of a significant number of both Spanish and foreign philosophers, including Jan A. Aertsen, Elizabeth Anscombe, Werner Beierwaltes, Michael Dummett, Peter Geach, Susan Haack, Friedrich Kaulbach, Ralph McInerny, Antonio Millán-Puelles, Giovanni Reale and Robert Spaemann.