Rev. Sabine Baring-Gould (M.A.). "S. Porphyrius, B. of Gaza (A.D. 421.)." In: The Lives of the Saints. Volume the Second: February. London: John C. Nimmo, 1897. p. 434-441.
The Roman Martyrology. Transl. by the Archbishop of Baltimore. Last Edition, According to the Copy Printed at Rome in 1914. Revised Edition, with the Imprimatur of His Eminence Cardinal Gibbons. Baltimore: John Murphy Company, 1916. pp. 17-18.
Rev. Sabine Baring-Gould (M.A.). "S. DIONYSIUS, B. OF AUGSBURG, M. (A.D. 303.)." In: The Lives of the Saints. Volume the Second: February. London: John C. Nimmo, 1897. p. 432-433.
ecclesia.gr
(in Greek) Συναξαριστής. 26 Φεβρουαρίου. Ecclesia.gr. (H Εκκλησια τησ Ελλαδοσ).
holytrinityorthodox.com
March 11 / February 26. Holy Trinity Russian Orthodox Church (A parish of the Patriarchate of Moscow).
