Columbia subject headings:
Harvard subject headings:
Books and reading--England--History--Congresses.
English literature--Middle English, 1100-1500--Criticism, Textual--Congresses.
English literature--Middle English, 1100-1500--Manuscripts--Congresses.
Manuscripts, English (Middle)--Editing--Congresses.
Manuscripts, Medieval--England--Editing--Congresses.
Paleography, English--Congresses.
Princeton subject headings:
English literature--Middle English, 1100-1500--Criticism, Textual--Congresses.
Manuscripts, English (Middle)--Editing--Congresses.