Columbia subject headings:
Nicomachus, of Gerasa. Harmonices manuale--Criticism, Textual.
Pythagoras and Pythagorean school--Criticism, Textual.
Harvard subject headings:
Music, Greek and Roman.
Nicomachus, of Gerasa. Encheiridion harmonikēs.
Pythagoras and Pythagorean school.
Princeton subject headings:
Music, Greek and Roman.
Nicomachus Gerasenus Harmonikon Enchiridion.
Pythagoras and Pythagorean School.