Columbia subject headings:
Huygens, Christiaan, 1629-1695.
Science--Netherlands--History.
Stevin, Simon, 1548-1620.
Harvard subject headings:
Huygens, Christiaan, 1629-1695.
Science--Netherlands--History.
Stevin, Simon, 1548-1620.
Princeton subject headings:
Huygens, Christiaan, 1629-1695.
Science--Netherlands--History.
Stevin, Simon, 1548-1620.