Haddock B.: A history of political thought
Knecht R.J.: The rise and fall of Renaissance France 1483-1610
Ousby I.: Companion to literature in English
Dickens A.G., Jones W.R.D.: Erasmus the reformer
Peterson M.D.: The Jefferson image in the American mind
Benn S.I., Petters R.S.: Social principles and the democratic state
Constant B.: Principles of politics applicable to All Governments