Columbia subject headings:
Helvétius, Anne-Catherine, 1719?-1800.
Société d'Auteuil.
Harvard subject headings:
Princeton subject headings:
France--Intellectual life--18th century.
Franklin, Benjamin, 1706-1790--Friends and associates.
Helvétius, Anne-Catherine, 1719?-1800--Friends and associates.
Intellectuals--France--Biography.