Southwestern Bell Telephone Company; Hamilton Dial Building, additions and alterations, #6007, 1961.

Southwestern Bell Telephone Company; Hamilton Dial Building, additions and alterations, #6007, 1961., Box: NEL097, Folder: 4. Donald S. Nelson collection, NEL. Alexander Architectural Archives. https://archives.lib.utexas.edu/repositories/2/archival_objects/66087 Accessed September 26, 2026.