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. 214-215.
Rev. Sabine Baring-Gould (M.A.). "S. VULMAR, AB. (END OF 7TH CENT.)." In: The Lives of the Saints. Volume the Eighth: July - Part II. London: John C. Nimmo, 1898. pp. 489-492.
July 20. Latin Saints of the Orthodox Patriarchate of Rome.
pravenc.ru
(in Russian)АВРААМИЙ ГАЛИЧСКИЙ. Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru).
(in Russian)2 августа (20 июля). Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru).
synaxarion.gr
Great Synaxaristes: (in Greek)Ὁ Προφήτης Ἠλίας. 20 ΙΟΥΛΙΟΥ. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ.
tyoos.org
July 20. The Year of Our Salvation - Holy Transfiguration Monastery, Brookline, Massachusetts.
Born near Boulogne in the north of France, he became a monk and later founded the monastery of Samer near Boulogne, later called Saint-Vulmaire (fr) after him . He also founded a convent at Wierre-aux-Bois.
