Columbia subject headings:
Du Châtelet, Gabrielle Emilie Le Tonnelier de Breteuil, marquise, 1706-1749.
Frederick II, King of Prussia, 1712-1786.
Voltaire, 1694-1778.
Harvard subject headings:
Du Châtelet, Gabrielle Emilie Le Tonnelier de Breteuil, marquise, 1706-1749.
Frederick II, King of Prussia, 1712-1786.
Voltaire, 1694-1778
Princeton subject headings:
Du Châtelet, Gabrielle Emilie Le Tonnelier de Breteuil, marquise, 1706-1749.
Frederick II, King of Prussia, 1712-1786.
Voltaire, 1694-1778.