Columbia subject headings:
Langland, William, 1330?-1400? Piers Plowman.
Harvard subject headings:
Christian poetry, English (Middle)--History and criticism
English language--Middle English, 1100-1500--Style
Langland, William, 1330?-1400? Piers Plowman.
Langland, William, 1330?-1400?--Literary style.
Langland, William, 1330?-1400?--Symbolism.
Symbolism in literature.
Princeton subject headings:
Christian poetry, English (Middle)--History and criticism.
English language--Middle English, 1100-1500--Style.
Langland, William, 1330?-1400? Piers Plowman.
Symbolism in literature.