Columbia subject headings:
Pythagoras and Pythagorean school.
Harvard subject headings:
Ethics, Ancient.
Philosophy, Ancient--Texts.
Pythagoras and Pythagorean school.
Pythagoras.
Princeton subject headings:
Ethics, Ancient.
Philosophers--Greece--sBiography.
Philosophy, Ancient.
Pythagoras and Pythagorean school.
Pythagoras.