Seven vols., a complete set: 'The Age of the Despots', 'The Revival of Learning', 'The Catholic Reaction' (2vols.), 'The Fine Arts', 'Italian Literature' (2vols.); '... the transition from the Middle Ages to the Modern World ... two dates, 1453 and 1527, marking respectively the fall of Constantinople and the sack of Rome, are convenient for fixing in the mind that narrow space of time during which the Renaissance culminated'; first published in 1875-1886.