text:  His "History of the Italian Republics" in sixteen of the "Monarchy of France" in thirty volumes attest the variety and extent of his antiquarian researches as well as the indefatigable industry of his pen: his "Literature of the South of Europe" in four and "Miscellaneous Essays" in three volumes show how happily he has blended these weighty investigations with the lighter topics of literature and poetry and the political philosophy which in recent times has come to occupy so large a place in the study of all who have turned their mind to the progress of human affairs