Flowers, B. S. (2009). Skyscraper: The politics and power of building New York City in the twentieth century. University of Pennsylvania Press.

Flowers, Benjamin Sitton. Skyscraper: The Politics and Power of Building New York City in the Twentieth Century. Philadelphia: University of Pennsylvania Press, 2009.

Flowers, Benjamin Sitton. Skyscraper: The Politics and Power of Building New York City in the Twentieth Century. University of Pennsylvania Press, 2009.