Columbia subject headings:
Langland, William, 1330?-1400? Piers Plowman.
Harvard subject headings:
Christian poetry, English (Middle)--History and criticism
Christianity and literature--England--History--To 1500.
Langland, William, 1330?-1400? Piers Plowman.
Princeton subject headings:
Christian poetry, English (Middle)--History and criticism.
Christianity and literature--England--History--To 1500.
Langland, William, 1330?-1400? Piers Plowman.