Souvenir of Roach's shipyard, the Delaware River Iron Shipbuilding and Engine Works, Chester, Pa.

Ancestry.com. Souvenir of Roach's shipyard, the Delaware River Iron Shipbuilding and Engine Works, Chester, Pa. [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.Original data: Duffield, Ulysses Grant.. Souvenir of Roach's shipyard, the Delaware River Iron Shipbuilding and Engine Works, Chester, Pa.. New York: U.G. Duffield, c1895.