Periodi (Petri), the name under which the Pseudo-Clementine writings are quoted by Epiphanius, Jerome, and the “Philocalia”. See CLEMENTINES.
The Catholic Encyclopedia
Periodi
1 section
Charles G. Herbermann and others (editors)
Transcribed from a dated scan; artifacts may remain. Edition notes
Trans. None. Written in English by the contributors whose signatures close each article., The Catholic Encyclopedia, An International Work of Reference on the Constitution, Doctrine, Discipline, and History of the Catholic Church, in fifteen volumes, 1907-1912. Public domain.