- PP. AA.
- PP. AA.
► Abbreviation in general use, chiefly EcclesiasticalPatres Amplissimi ("Cardinals")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.