Ert once designed a costume for Mata Hari. Sixty-seven years later, still creating, he designed costumes and sets for the 1980 Glyndebourne Festival's Der Rosenkavalier. In between (mostly in the '20s) he was the only top Paris designer illustrating his own haute couture, most of the illustrations appearing in Harper's Bazar. An earlier volume (Fashion Drawings and Illustrations from "Harper's Bazar" 0-486-23397-9) sampled...