Columbia subject headings:
Harvard subject headings:
France--Foreign relations--Germany.
France--History--18th century.
Frederick II, King of Prussia, 1712-1786--Correspondence.
Germany--Foreign relations--France.
Germany--History--18th century.
Voltaire, 1694-1778. Correspondence.
Princeton subject headings:
France--Foreign relations--Germany.
France--History--18th century.
Frederick II, King of Prussia, 1712-1786--Correspondence.
Germany--Foreign relations--France.
Germany--History--18th century.
Voltaire, 1694-1778. Correspondence.