Another cartoon from Leatherneck is post #15 in this blog.
Caption: "Psst. . .don't argue with him. Let him think he's boss."
Don has sold a LOT of cartoons in his career. Each numbered cartoon or illustration on the left side of this Blog is from a DIFFERENT magazine, newspaper, etc. Let's see if we can find out the total number of publications (places) where Don's work has appeared . . . . . (An unnumbered posting is a duplicate publication.)