"Historical Thesaurus of the Oxford English Dictionary, edited by Christian Kay, Jane Roberts, Michael Samuels & Irené Wotherspoon" by Steven Poole, www.theguardian.com. December 18, 2009.
Leo Calvin Rosten (1964). “The Many Worlds of L*e*o R*o*s*t*e*n: Stories, Humor, Social Commentary, Travelogues, Satire, Memoirs, Profiles, and Sundry Entertainments Never Before Published; with a Special Introd., Background Notes, Revelations and Confessions, All Hand-written and Themselves Worth the Price of Admission”