  Santayana’s book publications after leaving Harvard is remarkable: Winds of Doctrine (1913), Egotism in German Philosophy (1915), Character and Opinion in the United States (1920), Soliloquies in England and Later Soliloquies (1922), Scepticism and Animal Faith (1923), Dialogues in Limbo (1926), Platonism and the Spiritual Life (1927), the four books of The Realms of Being (1927, 1930, 1938, 1940), The Genteel Tradition at Bay (1931), Some Turns of Thought in Modern Philosophy (1933), The Last Puritan (1935), Persons and Places (1944), The Middle Span (1945), The Idea of Christ in the Gospels (1946), Dominations and Powers (1951), and My Host the World (1953, posthumous).