File:Margarethe Siems in Der Rosenkavalier 1911.jpg

Summary

 * Description: Portrait of Margarethe Siems as the Marschallin in Der Rosenkavalier, cropped from a postcard published in 1911.
 * Photographer: Hugo Erfurth (1874 – 1948)
 * Source: Universitätsbibliothek, Frankfurt