441. Delaware River and Bay Authority: Delaware Memorial Bridge and Cape May- Lewes Ferry. Rand McNally & Co., 1967.

441. Delaware River and Bay Authority: Delaware Memorial Bridge and Cape May- Lewes Ferry. Rand McNally & Co., 1967., Box: 40. William J. Cohen papers, MSS 0468. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/192365 Accessed September 19, 2024.