Columbia subject headings:
Harvard subject headings:
Arbizu, Sebastián de.
Pérez, Antonio, -1611.
Spain--History--Philip II, 1556-1598.
Spies--Spain--Biography.
Princeton subject headings:
Arbizu, Sebastián de, 1533-
Espionage--Spain--History--16th century.
France--Foreign relations--Spain.
Pérez, Antonio, -1611.
Spain--Foreign relations--France.
Spain--History--Philip II, 1556-1598.
Spies--Spain--Biography.