4278--4280 Griscom St., Philadelphia, Pennsylvania. County/parish: Philadelphia.
Added to the National Register of Historic Places October 31, 1985. NRIS 85003410.
1 contributing building.Also known as:
The John Ruan House is a historical mansion located in Frankford, a neighborhood in Philadelphia, Pennsylvania, United States. It was built in 1796 for John Ruan, a Pennsylvanian physician and community leader.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/71997398