2. Advanced Planning Division, New Castle County Department of Planning. Existing Land Uses: A Delaware City Comprehensive Development Plan Background Study. Wilmington, Del.: Advanced Planning Division, New Castle County Department of Planning, 1968. S9.3/No. 7/Vol. 2

2. Advanced Planning Division, New Castle County Department of Planning. Existing Land Uses: A Delaware City Comprehensive Development Plan Background Study. Wilmington, Del.: Advanced Planning Division, New Castle County Department of Planning, 1968. S9.3/No. 7/Vol. 2, Box: 20. William J. Cohen papers, MSS 0468. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/191336 Accessed September 18, 2024.