Southwestern Bell Telephone Company; Administrative and Equipment Building, 6th floor - Traffic Quarters, alteration, 1965.

Southwestern Bell Telephone Company; Administrative and Equipment Building, 6th floor - Traffic Quarters, alteration, 1965., Box: NEL107, Folder: 6. Donald S. Nelson collection, NEL. Alexander Architectural Archives. https://archives.lib.utexas.edu/repositories/2/archival_objects/66178 Accessed September 25, 2026.