Sopko, C. (1999). The Sisters of Mercy in the Toledo Diocese: A brief history compiled from unoublished sources.
Chicago-viite (17. p.)Sopko, Catherine. The Sisters of Mercy in the Toledo Diocese: A Brief History Compiled from Unoublished Sources. 1999.
MLA-viite (8. p.)Sopko, Catherine. The Sisters of Mercy in the Toledo Diocese: A Brief History Compiled from Unoublished Sources. 1999.
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