Columbia subject headings:
Langland, William, 1330?-1400? Piers Plowman.
Harvard subject headings:
Christian poetry, English (Middle)--History and criticism
Dreams in literature.
Langland, William, 1330?-1400? Piers Plowman.
Princeton subject headings:
Christian poetry, English (Middle)--History and criticism.
Dreams in literature.
Dreams--Religious aspects--Christianity--History of doctrines--Middle Ages, 600-1500.
Langland, William, 1330?-1400? Piers Plowman.
Poetry--Psychological aspects.