1712-1778 1721-1794 1736-1793 1740-1793 1747-1793 1754-1793 18thcentury adamphilippe atrocities authors bailly biography causes correspondence correspondencemalesherbes custine etclouis france french history humanists intellectuallife jean-jacques jeansylvain litigation louisphilippejoseph malesherbes orléans pq2036 regicides rousseau statesmen trials