Lindsay was not the first to refer to the office in this way; see the list of references in Popik, Barry. "'Second toughest job in America' (NYC mayor)"The Big Apple (December 31, 2007)
"'Our Nation Is Moving Toward Two Societies, One Black, One White—Separate and Unequal": Excerpts from the Kerner Report." History Matters. http://historymatters.gmu.edu/d/6545/
