74.4 Delaware River Basin Commission. Annual Report. West Trenton, N.J.: Delaware River Basin Commission, 1979. A5.4/No. 1

74.4 Delaware River Basin Commission. Annual Report. West Trenton, N.J.: Delaware River Basin Commission, 1979. A5.4/No. 1, Box: 23. William J. Cohen papers, MSS 0468. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/191638 Accessed September 19, 2024.