Pius IX, P. (1875). Syllabus for the people: A review of the propositions condemned by His Holiness Pope Pius IX, with a text of the condemned list. New York.
Παραπομπή σε μορφή Chicago (17η εκδ.)Pius IX, Pope. Syllabus for the People: A Review of the Propositions Condemned by His Holiness Pope Pius IX, with a Text of the Condemned List. New York, 1875.
Παραπομπή σε μορφή MLA (8th εκδ.)Pius IX, Pope. Syllabus for the People: A Review of the Propositions Condemned by His Holiness Pope Pius IX, with a Text of the Condemned List. New York, 1875.
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