Irwin, A. E. (. h. (2018). William Erwin (before 1716-1774) of York County, Pennsylvania: A search for the parents of Archibald Irwin (Third revision, final printing.). Fennville, MI (P. O. Box 526, Fennville 49408): Irwin Books.
Chicago Style CitationIrwin, Anne Elizabeth (Family historian). William Erwin (before 1716-1774) of York County, Pennsylvania: A Search for the Parents of Archibald Irwin. Third revision, final printing. Fennville, MI (P. O. Box 526, Fennville 49408): Irwin Books, 2018.
MLA CitationIrwin, Anne Elizabeth (Family historian). William Erwin (before 1716-1774) of York County, Pennsylvania: A Search for the Parents of Archibald Irwin. Third revision, final printing. Fennville, MI (P. O. Box 526, Fennville 49408): Irwin Books, 2018.