Columbia subject headings:
Albert, de Gap, active 12th century-13th century--Criticism, Textual.
Harvard subject headings:
Albert, de Gap, active 12th century-13th century--Criticism, Textual.
Princeton subject headings:
Albert, de Gap, active 12th century-13th century--Criticism, Textual.
Albert, de Gap, active 12th century-13th century--Translations into Italian.