Jeffery M. Dorwart, "Shipbuilding and Shipyards," The Encyclopedia of Greater Philadelphia
http://philadelphiaencyclopedia.org/archive/shipbuilding-and-shipyards...
Referenced in:
Sun Shipbuilding and Dry Dock Company.
Jeffery M. Dorwart, "Shipbuilding and Shipyards," The Encyclopedia of Greater Philadelphia
http://philadelphiaencyclopedia.org/archive/shipbuilding-and-shipyards...
Referenced in:
Sun Shipbuilding and Dry Dock Company.