Columbia subject headings:
Diplomats--Netherlands--Biography.
Huygens, Constantijn, 1596-1687.
Poets, Dutch--Biography.
Harvard subject headings:
Diplomats--Netherlands--Biography.
Huygens, Constantijn, 1596-1687.
Poets, Dutch--Early modern, 1500-1700--Biography.
Princeton subject headings:
Diplomats--Netherlands--Biography.
Huygens, Constantijn, 1596-1687.
Poets, Dutch--Early modern, 1500-1700--Biography.