Putnam, Carleton, 1901-1998 (Personal Name)

Three new letters on science and race, 1964?: t.p. (Carleton Putnam)

LC database, 20 May 1999: (usage: Putnam, Carleton, 1901- )

Wikipedia, Jan. 27, 2016 (Carleton Putnam; born December 19, 1901, Manhattan, N.Y., died March 5, 1998, Charlottesville, Va.; American businessman, biographer, writer, and segregationist; founded Chicago & Southern Airlines in 1933, which in 1953 was merged with Delta Air Lines; served as chief executive officer of Delta Air Lines) https://en.wikipedia.org/wiki/Carleton_Putnam