Columbia subject headings:
Alexander, of Aphrodisias.
Ammonius, Hermiae.
Logic, Ancient.
Logic.
Philoponus, John, active 6th century.
Syllogism--History.
Harvard subject headings:
Alexander, of Aphrodisias--Contributions in logic.
Ammonius, Hermiae--Contributions in logic.
Logic, Ancient.
Philoponus, John, active 6th century--Contributions in logic.
Syllogism--History.
Princeton subject headings:
Alexander, of Aphrodisias. Commentaria in Aristotelis Analytica priora.
Ammonius, Hermiae. Commentarium in Aristotelis Analyticorum priorum librum I.
Aristotle. Prior analytics.
Logic--Early works to 1800.
Philoponus, John, active 6th century. Commentaria in Aristotelis Analytica priora.