Sondheim, Stephen. Anyone Can Whistle.Finishing the Hat: Collected Lyrics (1954-1981) With Attendant Comments..., Random House Digital, Inc., 2010, ISBN0679439072, p.111
Horowitz, Mark Eden (2010). "Really weird". The Sondheim Review. XVII (2). Sondheim Review, Inc.: 7. ISSN1076-450X. Archived from the original on July 20, 2011. Retrieved October 1, 2011.
Horowitz, Mark Eden (2010). "Really weird". The Sondheim Review. XVII (2). Sondheim Review, Inc.: 7. ISSN1076-450X. Archived from the original on July 20, 2011. Retrieved October 1, 2011.
Horowitz, Mark Eden (2010). "Really weird". The Sondheim Review. XVII (2). Sondheim Review, Inc.: 7. ISSN1076-450X. Archived from the original on July 20, 2011. Retrieved October 1, 2011.