Adinkra, "Is It the Muses Depicted on the Façade of 100 Broadway, Manhattan?," Mythology & Folklore (Stack Exchange), accessed March 24, 2024, https://mythology.stackexchange.com/questions/10281/is-it-the-muses-depicted-on-the-fa%C3%A7ade-of-100-broadway-manhattan.
Geographic Guide to New Yor City Historic Buildings, "American Surety Building on Broadway - New York City," www.geographicguide.com, accessed March 24, 2024, http://www.geographicguide.com/united-states/nyc/antique/skyscrapers/american-surety/american-surety-building.htm.
Landmark Preservation Commission, "American Surety Company Building," NYC.gov, June 24, 1997, http://s-media.nyc.gov/agencies/lpc/lp/1934.pdf.
WikiArquitectura, "American Surety Building - Data, Photos & Plans," WikiArquitectura, accessed March 24, 2024, https://en.wikiarquitectura.com/building/american-surety-building/.
Wikimedia Commons, "American Surety Building, 100 Broadway, Manhattan, New York," accessed March 24, 2024, https://commons.wikimedia.org/wiki/File:American_Surety_Building,_100_Broadway,_Manhattan,_New_York_(7237012426).jpg.