Columbia subject headings:
Castile (Spain)--History--Sources.
Hundred Years' War, 1339-1453--Sources.
John, of Gaunt, Duke of Lancaster, 1340-1399.
Juan I, King of Castile and Leon, 1358-1390.
Harvard subject headings:
Hundred Years' War, 1339-1453--Peace.
Juan I, King of Castile and Leon, 1358-1390--History--Sources.
Treaty of Bayonne (1388)
Princeton subject headings:
Castile (Spain)--History--Sources.
Hundred Years' War, 1339-1453--Sources.
John, of Gaunt, Duke of Lancaster, 1340-1399.
Juan I, King of Castile and Leon, 1358-1390.