Southwestern Bell Telephone Company; Central Office, additions and alterations, Denison, 1947.

Southwestern Bell Telephone Company; Central Office, additions and alterations, Denison, 1947., Box: NEL108, Folder: 7. Donald S. Nelson collection, NEL. Alexander Architectural Archives. https://archives.lib.utexas.edu/repositories/2/archival_objects/66187 Accessed September 25, 2026.