Ingalls Building
- The First Reinforced-Concrete Skyscraper: The Ingalls Building in Cincinnati and Its Place in Structural History. In: Technology and Culture, v. 9, n. 1 (Januar 1968), S. 1. (1968):
- Reinforced Concrete Rises: The Ingalls Building. In: Civil Engineering Magazine, v. 88, n. 11 (Dezember 2018), S. 40-43. (2018):