Paradigm Humor -- It's All We Have
Brother Can You Spare a Dime?

Wall Street Journal, April 2,
2008

Leo Cullum, "Scotch and Toilet Water?" a book of
dog cartoons

The New Yorker, May 14, 2001.
The New Yorker, April 9, 2001.

The New Yorker, late 2000 (or thereabouts).