P.S.S.
P.S.S.: translation
†Catholic_Encyclopedia►Ecclesiastical Abbreviations
►Abbreviation of titles of the principal religious orders and congregations of priests
Presbyteri Sancti Sulpicii, Pr tres de S. Sulpice (Sulpicians)
The Catholic Encyclopedia, Volume VIII. — New York: Robert Appleton Company.Nihil Obstat.1910.