[X511A], Report from Cass Gilbert, American Concrete Institute, Richard Lewis Humphrey, Egbert Jessup Moore, William H Ham, August 1915
Cement houses and other concrete structures
https://edisondigital.rutgers.edu/document/X511A
Daniel M Del Bagno After the images were scanned, this pamphlet was donated to the Thomas Edison National Historical Park, West Orange, NJ
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University