Harold N. Cooledge
- A Sloan Check List, 1849-1884. Dans: Journal of the Society of Architectural Historians, v. 19, n. 1 (mars 1960). (1960):
- Samuel Sloan and the "Philadelphia Plan". Dans: Journal of the Society of Architectural Historians, v. 23, n. 3 (octobre 1964). (1964):