Columbia subject headings:
Huygens, Christiaan, 1629-1695.
Mathematics--History--17th century.
Science--History--17th century.
Scientists--Netherlands--Biography.
Harvard subject headings:
Huygens, Christiaan, 1629-1695.
Mathematics--History--17th century.
Science--History--17th century
Scientists--Netherlands--Biography
Princeton subject headings:
Huygens, Christiaan, 1629-1695.
Scientists--Netherlands--Biography.