Columbia subject headings:
Julius, Duke of Braunschweig-Lüneburg, 1528-1589.
Universität Helmstedt--History.
Harvard subject headings:
Julius, Duke of Braunschweig-Lüneburg, 1528-1589.
Universität Helmstedt--History.
Princeton subject headings:
Julius, Duke of Braunschweig-Lüneburg, 1528-1589.
Universität Helmstedt--History.