Here's an "Ode To Plurals" I found in the Crestwood Advisor, given to me with several Chicago newspapers. I tried to trace this online, but came up empty as per author. Funny stuff. Someone should claim their work. Enjoy.
http://www.janebluestien.com/fun/plurals.html#
http://www.janebluestien.com/fun/plurals.html#