Columbia subject headings:
Armistead, Samuel G., 1927-2013.
Spanish literature--To 1500--History and criticism.
Harvard subject headings:
Armistead, Samuel G., 1927-2013--Bibliography.
Armistead, Samuel G., 1927-2013.
Spanish literature--To 1500--History and criticism
Spanish philology.
Princeton subject headings:
Armistead, Samuel G., 1927-2013.
Spanish literature--To 1500--History and criticism.