Columbia subject headings:
Harvard subject headings:
German drama--History and criticism.
Heracles (Greek mythological character)--In literature.
Wedekind, Frank, 1864-1918--Characters--Heracles.
Wedekind, Frank, 1864-1918. Herakles.
Princeton subject headings:
Heracles (Greek mythological character)
Wedekind, Frank, 1864-1918. Herakles.