Columbia subject headings:
Harvard subject headings:
Geometry--Early works to 1800
Mathematics, Greek--Early works to 1800.
Pythagoras and Pythagorean school--Early works to 1800.
Princeton subject headings:
Geometry--Early works to 1800.
Mathematics, Greek--Early works to 1800.
Pythagoras and Pythagorean school--Early works to 1800.