Columbia subject headings:
Harvard subject headings:
Discourse analysis, Literary.
English language--Middle English, 1100-1500
English literature--Middle English, 1100-1500--Criticism, Textual
English literature--Middle English, 1100-1500--Explication.
English literature--Middle English, 1100-1500--Modernized versions
Errata--History.
Princeton subject headings:
Errata--History.