Columbia subject headings:
Ferdinand, Duke of Brunswick-Lüneburg, 1721-1792.
Seven Years' War, 1756-1763.
Harvard subject headings:
Ferdinand, Duke of Brunswick-Lüneburg, 1721-1792.
Seven Years' War, 1756-1763.
Princeton subject headings:
Ferdinand, Duke of Brunswick-Lüneburg, 1721-1792.
Seven Years' War, 1756-1763.