359.1 Thurow, Charles, William Toner, & Duncan Erley. Performance Controls for Sensitive Lands. Chicago, Ill.: American Society of Planning Officials, 1977. S0.1/No. 6

359.1 Thurow, Charles, William Toner, & Duncan Erley. Performance Controls for Sensitive Lands. Chicago, Ill.: American Society of Planning Officials, 1977. S0.1/No. 6, Box: 37. William J. Cohen papers, MSS 0468. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/192230 Accessed September 19, 2024.