Reynaldo Luza. Black satin hat designed by Agnès. From : Art deco fashion : French designers 1908-1925. | src internet archiveFrom : Art deco fashion : French designers 1908-1925. Martin Battersby. London : Academy Editions ; New York : St. Martin’s Press. 1974 | src internet archive
Madame d’Ora (Dora Kallmus) :: Agnès Rittener. Portrait de la modiste coiffée d’un chapeau en paille de soie, Mai 1931. | Agnès Rittener. Portrait of the milliner wearing a silk straw hat, May 1931. | src Diktats
Dora Kallmus :: Madame Agnès (Agnès Rittener) with a hat made of velvet with transparent brim, ca. 1936. | src Photoinstitut Bonartes, Vienna via Neue Galerie New York (Major Retrospective on Madame d’Ora, Febr. 2020)