289. New Castle County Regional Planning Commission. Tentative Comprehensive Development Plan for New Castle County, Delaware. Wilmington, Del.: New Castle County Regional Planning Commission, 1966. S9.3/No. 7/Vol. 5

289. New Castle County Regional Planning Commission. Tentative Comprehensive Development Plan for New Castle County, Delaware. Wilmington, Del.: New Castle County Regional Planning Commission, 1966. S9.3/No. 7/Vol. 5, Box: 32. William J. Cohen papers, MSS 0468. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/191942 Accessed September 19, 2024.