O'Reilly, R. M. (1909). Envelope, To: "Miss Mary O'Reilly, Overbrook P.O. Montgomery County, Pennsylvania," August 1, 1909.
Παραπομπή σε μορφή Chicago (17η εκδ.)O'Reilly, Robert M. Envelope, To: "Miss Mary O'Reilly, Overbrook P.O. Montgomery County, Pennsylvania," August 1, 1909. 1909.
Παραπομπή σε μορφή MLA (8th εκδ.)O'Reilly, Robert M. Envelope, To: "Miss Mary O'Reilly, Overbrook P.O. Montgomery County, Pennsylvania," August 1, 1909. 1909.
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