Epstein, Joseph. “Old Age and Other Laughs.” Commentary, vol. 133, no. 3, Mar. 2012, pp. 41–46. Literary Reference Center Plus, bit.ly/2e8ryEr.
Cowley, Malcolm. “About Men; Being Old Old.” The New York Times Magazine, 26 May 1985, Artemis Literary Sources, bit.ly/2et3YNl.