On the left the cover by P. Brissaud, on the right a cover by R. Prejelan.
Women through the ages by C. Herouard, and Deja Prete by C. Herouard.
Nos tyrans by R. Prejelan, and the Three Graces by George Barbier.
Entire magazines and prints are for sale on Ebay.
Another blog, Retrorambling, has a series of posts about the illustrators of La Vie Parisienne.