Columbia subject headings:
Harvard subject headings:
Descartes, René, 1596-1650.
Faulhaber, Johannes, 1580-1635.
Mathematicians--Germany--Biography
Mathematics--Germany--History--17th century.
Princeton subject headings:
Descartes, René, 1596-1650.
Faulhaber, Johannes, 1580-1635.
Mathematicians--Germany--Biography.
Mathematics--Germany--History--17th century.