"Regional Planning in its Relation to National Planning" Journal of the Institute of Town Planners, India, no. 55-56, (June-September, 1968)

"Regional Planning in its Relation to National Planning" Journal of the Institute of Town Planners, India, no. 55-56, (June-September, 1968), Box: HUGO017, Folder: 20. Hugo Leipziger-Pearce collection, HUGO. Alexander Architectural Archives. https://archives.lib.utexas.edu/repositories/2/archival_objects/35714 Accessed September 25, 2026.