Columbia subject headings:
Music theory--Early works to 1800.
Music, Greek and Roman--History and criticism--Early works to 1800.
Porphyry, approximately 234-approximately 305. Commentarius in Claudii Ptolemaei Harmonica.
Ptolemy, active 2nd century. Harmonics.
Harvard subject headings:
Music theory--Early works to 1800.
Music, Greek and Roman--History and criticism--Early works to 1800.
Porphyry, approximately 234-approximately 305. Commentarius in Claudii Ptolemaei Harmonica
Ptolemy, active 2nd century. Harmonics.
Princeton subject headings:
Music theory--Early works to 1800.
Music, Greek and Roman--History and criticism--Early works to 1800.
Porphyry, approximately 234-approximately 305. Commentarius in Claudii Ptolemaei Harmonica.
Ptolemy, active 2nd century. Harmonics.