Columbia subject headings:
English language--Middle English, 1100-1500--Grammar.
Medicine, Greek and Roman.
Zoology, Medical.
Harvard subject headings:
English language--Middle English, 1100-1500--Grammar
Medicine, Greek and Roman
Zoology, Medical
Princeton subject headings:
English language--Middle English, 1100-1500--Grammar.
Medicine, Greek and Roman.
Zoology, Medical.