Columbia subject headings:
Dante Alighieri, 1265-1321--Criticism and interpretation.
Witte, Karl, 1800-1883.
Harvard subject headings:
Dante Alighieri, 1265-1321--Criticism and interpretation.
Witte, Karl, 1800-1883.
Princeton subject headings:
Dante Alighieri, 1265-1321--Criticism and interpretation.
Witte, Karl, 1800-1883.