Columbia subject headings:
Pyrrhus, King of Epirus, 318 B.C.-272 B.C.
Harvard subject headings:
Pyrrhus, King of Epirus, 318 B.C.-272 B.C.--Drama.
Tragedies (Drama)
Princeton subject headings:
Pyrrhus, King of Epirus, 318 B.C.-272 B.C.