Duffy, C. M. (1966). Katharine Drexel: A biography. P. Reilly Co..
Chicago Style (17th ed.) CitationDuffy, Consuela Marie. Katharine Drexel: A Biography. Philadelphia: P. Reilly Co., 1966.
MLA citiranjeDuffy, Consuela Marie. Katharine Drexel: A Biography. P. Reilly Co., 1966.
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