- P.K.
- P.K.
► Abbreviation in general use, chiefly EcclesiasticalPridie Kalendas ("The day before the Calends")The Catholic Encyclopedia, Volume VIII. — New York: Robert Appleton Company. Nihil Obstat. 1910.
Catholic encyclopedia.
The Catholic Encyclopedia, Volume VIII. — New York: Robert Appleton Company. Nihil Obstat. 1910.
Catholic encyclopedia.