Columbia subject headings:
Thirty Years' War, 1618-1648--Juvenile fiction.
Harvard subject headings:
Courage--Juvenile fiction
Diligence--Juvenile fiction.
France--History--Louis XIII, 1610-1643--Juvenile fiction.
Germany--History--1618-1648--Juvenile fiction.
Great Britain--History--Stuarts, 1603-1714--Juvenile fiction.
Leadership--Juvenile fiction.
Soldiers--Juvenile fiction.
Spain--History--House of Austria, 1516-1700--Juvenile fiction.
Swords--Juvenile fiction.
Thirty Years' War, 1618-1648--Fiction
Thirty Years' War, 1618-1648--Juvenile fiction.
War stories.
Princeton subject headings: