"Great Britain, Its Conservation Areas, United States of America, Its Historic Districts: A Comparative Analysis," CRP 381, Spring 1974

"Great Britain, Its Conservation Areas, United States of America, Its Historic Districts: A Comparative Analysis," CRP 381, Spring 1974, Box: COLT014, Folder: 13. Peter Oakley Coltman collection, COLT. Alexander Architectural Archives. https://archives.lib.utexas.edu/repositories/2/archival_objects/86783 Accessed September 26, 2026.