Korom, Joseph (2008). The American skyscraper, 1850-1940: a celebration of height Branden Books. p. 199. ISBN 978-0-8283-2188-4. "In 1936, the Manhattan Life Insurance Company relocated its offices to One-Hundred-Twenty West 57th Street in midtown Manhattan. Then, catastrophe arrived when the building was only 69 years old; in a 1963 act of utter desecration, the Manhattan Life Insurance Building was demolished."
