Cartoonist Axed for Criticizing Big Ag. Iowa Public Radio, 2016
Drawn to Extremes: The Use and Abuse of Editorial Cartoons. Lamb, C., 2004.
Editors are Killing U.S. Political Cartooning; Ted Rall, Former LA Times editorial cartoonist http://www.japantimes.co.jp/opinion/2015/01/21/commentary/world-commentary/editors-killing-u-s-political-cartooning/,2015.
Killed cartoons: Casualties of the war on free expression. Wallis, D. New York: W. W. Norton, 2007.
Provocative Chinese Cartoonists Find An Outlet Online.National Public Radio, 2012.