Columbia subject headings:
Whitman, Walt, 1819-1892--Criticism and interpretation.
Whitman, Walt, 1819-1892.
Harvard subject headings:
Whitman, Walt, 1819-1892
Whitman, Walt, 1819-1892--Criticism and interpretation.
Princeton subject headings:
Whitman, Walt, 1819-1892--Criticism and interpretation.