448.1 Exploring the Use of TDR in Pennsylvania: Conference Proceedings. Harrisburg, Pa.: Department of Environmental Planning, 1978. U1.1/No. 10

448.1 Exploring the Use of TDR in Pennsylvania: Conference Proceedings. Harrisburg, Pa.: Department of Environmental Planning, 1978. U1.1/No. 10, Box: 41. William J. Cohen papers, MSS 0468. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/192465 Accessed September 19, 2024.