Graham, D. A. (2022). Mark Bird, 1739-1812, Hopewell Furnace, Berks County, Pennsylvania: Ironmaster & patriot (Third edition.). Elverson, Pennsylvania: Friends of Hopewell Furnace.
Chicago Style CitationGraham, Daniel A. Mark Bird, 1739-1812, Hopewell Furnace, Berks County, Pennsylvania: Ironmaster & Patriot. Third edition. Elverson, Pennsylvania: Friends of Hopewell Furnace, 2022.
MLA CitationGraham, Daniel A. Mark Bird, 1739-1812, Hopewell Furnace, Berks County, Pennsylvania: Ironmaster & Patriot. Third edition. Elverson, Pennsylvania: Friends of Hopewell Furnace, 2022.