Insurance Company of North America; Empire Central Insurance Building, Fire list and correspondence, #5803, 1957-59.

Insurance Company of North America; Empire Central Insurance Building, Fire list and correspondence, #5803, 1957-59., Box: NEL043, Folder: 19. Donald S. Nelson collection, NEL. Alexander Architectural Archives. https://archives.lib.utexas.edu/repositories/2/archival_objects/65169 Accessed September 26, 2026.