por Aristóteles | Valdés Villanueva, Luis M [ed. lit.].
por Clifford, William Kingdon, (1845-1879). . The ethics of belief | James, William, (1842-1910). . Will to believe and other essays in popular philosophy | Valdés Villanueva, Luis M | Villamil García, Lorena.
por Garrido Bonaño, Manuel , (O.S.B.) | Valdés Villanueva, Luis M | Arenas, Luis, (1969-).
por | Wittgenstein, Ludwig, (1889-1951) [aut.] | Valdés Villanueva, Luis M [ed. lit.].