Guide to the Father Robert E. Hughes collection on apparitions and mystics, circa 1980-circa 2002 ML.042. The Marian Library/International Marian Research Institute.
Chicago-viite (17. p.)Guide to the Father Robert E. Hughes Collection on Apparitions and Mystics, Circa 1980-circa 2002 ML.042. The Marian Library/International Marian Research Institute.
MLA-viite (8. p.)Guide to the Father Robert E. Hughes Collection on Apparitions and Mystics, Circa 1980-circa 2002 ML.042. The Marian Library/International Marian Research Institute.
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