Insurance Company of North America; Empire Central Insurance Building, Miscellaneous including 5-b&w photographs, #5803, 1958-59.

Insurance Company of North America; Empire Central Insurance Building, Miscellaneous including 5-b&w photographs, #5803, 1958-59., Box: NEL043, Folder: 24. Donald S. Nelson collection, NEL. Alexander Architectural Archives. https://archives.lib.utexas.edu/repositories/2/archival_objects/65174 Accessed September 26, 2026.