Columbia subject headings:
Brittany (France)--History--Sources.
Charles, of Blois, Duke of Brittany, 1319-1364.
Jeanne, de Penthièvre, Duchess of Brittany, 1319-1384.
Harvard subject headings:
Brittany (France)--History--Sources.
Charles de Blois, Duke of Brittany, 1319-1364.
Charles, of Blois, Duke of Brittany, 1319-1364.
Jeanne de Penthièvre, Duchess of Brittany, -1384.
Jeanne de Penthièvre, Duchess of Brittany, d1384.
Princeton subject headings:
Brittany (France)--History--Sources.
Charles, of Blois, Duke of Brittany, 1319-1364.
Jeanne, de Penthièvre, Duchess of Brittany, d1319-1384.