Columbia subject headings:
Harvard subject headings:
Brittany (France)--History--Sources.
Mercoeur, Philippe Emmanuel de Lorraine, duc de, 1558-1602.
Sainte Ligue (1576-1593)
Princeton subject headings:
Brittany (France)--History--Sources.
Mercœur, Philippe Emmanuel de Lorraine, duc de, 1558-1602.
Sainte Ligue (1576-1593)