Columbia subject headings:
Erich I, Duke of Brunswick-Lüneburg, 1470-1540--Marriage.
Katharina, of Saxony, Archduchess of Austria, 1468-1524--Marriage.
Princesses--Germany--Lower Saxony--Biography.
Harvard subject headings:
Erich I, Duke of Brunswick-Lüneburg, 1470-1540--Marriage.
Katharina, of Saxony, Archduchess of Austria, 1468-1524--Marriage.
Princesses--Germany--Lower Saxony--Biography.
Princeton subject headings:
Erich I, Duke of Brunswick-Lüneburg, 1470-1540--Marriage.
Katharina, of Saxony, Archduchess of Austria, 1468-1524--Marriage.
Princesses--Germany--Lower Saxony--Biography.