Book of Bow-Wows

The Book of Bow-Wows (1913) by Elizabeth Gordon illustrated by TAD. I have been asked if this book was illustrated by sports cartoonist "Tad" Dorgan, and I believe it is him but can't be sure. Tad was famous not because of his drawing, which was occasionally amateurish, but for his slangy humor and verbal invention. These drawings also seem to be drawn in a clumsy (but charming nonetheless)