Roger Broders - he's best known for his wonderful tourism posters, but he did fashion plates earlier
Robert Bonfils (not the same as the American illustrator, whom I'm going to talk about a little later...)
Francesco Javier Gose
Then there is a handful I don't know much about:
I love the description of this dress:
"Robe de Satin topaze garnie de Léopard manchon aussi de Léopard"
I don't love that they have killed leopards for a stupid dress though...
also, it reminds me of Ann Miller's green leopard dress from Easter Parade...