"New Castle, Delaware, 1963 or later, From the Delaware Postcard Collection." https://library.artstor.org/public/SS33464_33464_19228882. Accessed 29 March 2023.
New Castle, Delaware, 1963 or later. Photographed by Richard C. Pulling, Published by Heitz Photoptic Service, Dover, DE. Postcard, 15 x 10 cm. From the Delaware Postcard Collection.