Landau, Sarah; Condit, Carl W. Rise of the New York Skyscraper, 1865–1913. New Haven, CT: Yale University Press. 1996. ISBN 978-0-300-07739-1. OCLC 32819286.
Landau, Sarah; Condit, Carl W. Rise of the New York Skyscraper, 1865–1913. New Haven, CT: Yale University Press. 1996. ISBN 978-0-300-07739-1. OCLC 32819286.