"None of these studies have previously appeared in print except two, viz. those relating to the United States [in Johns Hopkins university studies in historical and political science, 5th series, no. 9] and to the two Dutch republics [in the Forum, April 1896] and both of these have been enlarged and revised ...Some studies were (in substance) delivered as public lectures at Oxford, during the years 1870-1893."-Pref
