Opie, Iona Archibald, The Oxford dictionary of nursery rhymes, edited by Iona and Peter Opie. - Oxford, Clarendon Press, 1951. - xxvii, 467 p. illus. 24 cm. Bibliography: p. xxv-xxvii. Subjects--Topical Terms: Nursery rhymes. Index Terms--Genre/Form: Poetry.Folklore. LC Class. No.: PN6110.C4 / O6