Concannon, H. (1950). Pere Gailhac, founder of the Religious of the Sacred Heart of Mary. Irish Messenger Office.
Lua i Stíl Chicago (17ú heag.)Concannon, Helena. Pere Gailhac, Founder of the Religious of the Sacred Heart of Mary. Dublin, Ireland: Irish Messenger Office, 1950.
Lua MLA (8ú heag.)Concannon, Helena. Pere Gailhac, Founder of the Religious of the Sacred Heart of Mary. Irish Messenger Office, 1950.
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