Columbia subject headings:
Harvard subject headings:
John, of Gaunt, Duke of Lancaster, 1340-1399.
Nobility--Great Britain--Biography
Statesmen--Great Britain--Biography.
Princeton subject headings:
Great Britain--History--14th century.
John, of Gaunt, Duke of Lancaster, 1340-1399.
Nobility--Great Britain--Biography.
Statesmen--Great Britain--Biography.