213.1 Jaffe, Martin and Duncan Erley. Protecting Solar Access for Residential Development: A Guidebook for Planning Officials. Washington, D.C.: U.S. Government Printing Office, 1979. S8.1/No. 9

213.1 Jaffe, Martin and Duncan Erley. Protecting Solar Access for Residential Development: A Guidebook for Planning Officials. Washington, D.C.: U.S. Government Printing Office, 1979. S8.1/No. 9, Box: 28. William J. Cohen papers, MSS 0468. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/191819 Accessed September 19, 2024.