Columbia subject headings:
Donatus, Aelius. Ars minor.
Latin language--Grammar--Early works to 1500.
Harvard subject headings:
Donatus, Aelius. Ars grammatica.
Donatus, Aelius. Ars minor.
Latin language--Grammar--Early works to 1500.
Ralph, of Beauvais, active 12th century.
Princeton subject headings:
Donatus, Aelius. Ars minor.
Latin language--Grammar--To 1500.