This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain.
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See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher
I was browsing through an old 1909 (thus public domain) issue of the Pullman Herald newspaper and came across this delightful illustration for a "Clarkson and Pearce" clothes ad. The way the man looks up while walking his dog makes you wonder what he is looking at!