A titular see of Thrace, not mentioned by any ancient historian or geographer. However, its bishop, Symeon, attended the Council of Constantinople (Lequien, Oriens Christ., I, 1167). The "Notitiæ episcopatuum" of the tenth to the twelfth and thirteenth centuries mention Leuce among the suffragans of Philippopolis. It is probably the modern village of Copolovo, south of Philippopolis, or Plovdiv, Bulgaria.
APA citation. (1910). Leuce. In The Catholic Encyclopedia. New York: Robert Appleton Company. Retrieved April 26, 2010 from New Advent: http://www.newadvent.org/cathen/09204b.htm
MLA citation. "Leuce." The Catholic Encyclopedia. Vol. 9. New York: Robert Appleton Company, 1910. 26 Apr. 2010 <http://www.newadvent.org/cathen/09204b.htm>.
Ecclesiastical approbation. Nihil Obstat. October 1, 1910. Remy Lafort, Censor. Imprimatur. +John M. Farley, Archbishop of New York.
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