Six volumes: 'Greek and Roman Political Thought' (31 essays plus an epilogue), 'Medieval Political Thought c.350-c.1450' (19), 'Political Thought' 1450-1700 (21), 'Eighteenth Century Political Thought' (24), 'Nineteenth Century Political Thought' (26 plus an epilogue), and 'Twentieth Century Political Thought (28); bibliographies, notes, indexes; c.5,000pp., the history of one type of power.
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