459. Historic Wilmington: A Guide to Districts and Buildings on the National Register of Historic Places, n.d.

459. Historic Wilmington: A Guide to Districts and Buildings on the National Register of Historic Places, n.d., Box: 41. William J. Cohen papers, MSS 0468. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/192487 Accessed September 19, 2024.