429.2 The Big Cleanup: What the Restoration of Our Nation's Waterways Could Mean for Parks and Recreation. Arlington, Va.: National Recreation and Park Association, 1977. J3.1/No. 4

429.2 The Big Cleanup: What the Restoration of Our Nation's Waterways Could Mean for Parks and Recreation. Arlington, Va.: National Recreation and Park Association, 1977. J3.1/No. 4, Box: 40. William J. Cohen papers, MSS 0468. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/192348 Accessed September 19, 2024.