Louis Malteste was a French author, lithographer, designer and illustrator in the early 20th century. Malteste also used the pseudonym Ignotus, and under the pen name Jacques d’Icy, he wrote spanking novels. Below are his illustrations from the 1939 novel Les Mains Chéries (The Darling Hands) by Jacques d’Icy.
Smiles and Spanks, NaturallyGin.com
Smiles and Spanks 
Have you ever thought of translating some of these French classics and selling e-books? I am sure you would find a ready market