( Doonesbury 's Duke character is not the only Thompson cartoon.
Thompson has cartoons besides Doonesbury's Duke character.
Thompson only makes one cartoon.
A bull bucks his rider off.
Two men are jogging at the beach.
My husband used to leave home early in the morning.
Two ladies are looking at items on the wall.
The old dog is at the vet.
Schwartz did not use data on the incidence of bronchitis.