O. Ridrick

Another artist who remains a mystery. Signing the artworks with O. Ridrick, this name is also connected to signature Y.Vanoff
If this is the same artist I am not sure about.

O. Ridrick illustrated L’Infernale volupté ou Les Frénésies amoureuses, published in 1934. While Y.Vanoff illustrated Étranges Humiliations ou Confidences et Confessions, published in 1934

Ridrick