D. Benson and John Leyerle, London, 1980. Kelly, T.D. and J. T. Irwin. “The Meaning of “Cleanness”: Parable as Effective Sign.” Mediaeval Studies 35: 232 - 60. Lecklider, J.K. “Cleanness: Structure and Meaning” Woodbridge, Suffolk, UK; Rochester, NY, USA: DS Brewer, 1997 Schreiber, Earl G. "The Structures of Clannesse." In The Alliterative Tradition in the Fourteenth Century, ed. Bernard S. Levy and Paul E. Szarmach. Kent, OH: Kent State Univ. Press, 1981. External links Middle English Text of “Cleanness” online 14th-century poems Biblical poetry Christian poetry Cotton Library Cultural depictions of Belshazzar Middle English poems Works of unknown authorship Works set in the 6th century BC