Columbia subject headings:
Brown, William Wells, 1814?-1884--Bibliography.
Delany, Martin Robison, 1812-1885--Bibliography.
Harvard subject headings:
Bibliographies
Brown, William Wells, 1814?-1884--Bibliography.
Delany, Martin Robison, 1812-1885--Bibliography.
Princeton subject headings:
Brown, William Wells, 1815-1884--Bibliography.
Delany, Martin Robison, 1812-1885--Bibliography.