Columbia subject headings:
Beaufort, Margaret, Countess of Richmond and Derby, 1443-1509.
Great Britain--History--Henry VII, 1485-1509.
Great Britain--History--Wars of the Roses, 1455-1485.
Great Britain--Kings and rulers--Biography.
Henry VII, King of England, 1457-1509.
Tudor, House of.
Harvard subject headings:
Great Britain--History--Henry VII, 1485-1509.
Great Britain--History--Wars of the Roses, 1455-1485.
Henry VII, King of England, 1457-1509.
Mothers of kings and rulers--Great Britain--Biography.
Richmond and Derby, Margaret Beaufort, Countess of, 1441-1509.
Tudor, House of.
Princeton subject headings:
Beaufort, Margaret, Countess of Richmond and Derby, 1443-1509.
Great Britain--History--Henry VII, 1485-1509.
Great Britain--History--Wars of the Roses, 1455-1485.
Great Britain--Kings and rulers--Mothers--Biography.
Henry VII, King of England, 1457-1509.
Tudor, House of.