Columbia subject headings:
Harvard subject headings:
Civilization, Medieval, in literature.
English literature--Middle English, 1100-1500--History and criticism
Kane, George.
Langland, William, 1330?-1400? Piers Plowman.
Manuscripts, English (Middle)
Princeton subject headings:
English literature--Middle English, 1100-1500--History and criticism.
Kane, George.
Langland, William, 1330?-1400? Piers Plowman.
Manuscripts, English (Middle)