Center, C. C. A. o. P. C. I. (1976). The Catholic Church of Philadelphia and a guide to the historic sites. Philadelphia.
Chicago-viite (17. p.)Center, Catholic Church. Archdiocese of Philadelphia. Catholic Information. The Catholic Church of Philadelphia and a Guide to the Historic Sites. Philadelphia, 1976.
MLA-viite (8. p.)Center, Catholic Church. Archdiocese of Philadelphia. Catholic Information. The Catholic Church of Philadelphia and a Guide to the Historic Sites. Philadelphia, 1976.
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