Columbia subject headings:
Drama.
Ibsen, Henrik, 1828-1906.
Shakespeare, William, 1564-1616.
Sophocles.
Harvard subject headings:
Drama
Drama--History and criticism
Heroes in literature
Ibsen, Henrik, 1828-1906--Criticism and interpretation.
Ibsen, Henrik, 1828-1906.
Shakespeare, William, 1564-1616--Criticism and interpretation.
Shakespeare, William, 1564-1616--Tragicomedies.
Sophocles--Criticism and interpretation.
Tragicomedy--History and criticism.
Princeton subject headings:
Drama--History and criticism.
Heroes in literature.
Ibsen, Henrik, 1828-1906--Criticism and interpretation.
Shakespeare, William, 1564-1616--Tragicomedies.
Sophocles--Criticism and interpretation.
Tragicomedy.