"The Concept of Regional Planning," Canadian Public Administration, (July, 1966)

"The Concept of Regional Planning," Canadian Public Administration, (July, 1966), Box: HUGO016, Folder: 23. Hugo Leipziger-Pearce collection, HUGO. Alexander Architectural Archives. https://archives.lib.utexas.edu/repositories/2/archival_objects/35690 Accessed September 26, 2026.