Columbia subject headings:
Netherlands--Foreign relations--1556-1648.
Netherlands--History--Eighty Years' War, 1568-1648--Sources.
Harvard subject headings:
Netherlands--Foreign relations--1556-1648.
Netherlands--History--Eighty Years' War, 1568-1648--Sources.
Princeton subject headings:
Netherlands--Foreign relations--1556-1648.
Netherlands--History--Eighty Years' War, 1568-1648--Sources.