@misc{, address={Breslau}, address={Stettin}, address={Leipzig}, howpublished={online}, language={ger}, keywords={19thC., 1900-1945, portrait, photography, studio portrait, oval, unknown person, woman, bust, clothing, hairstyle, German photography, vignette, lithograph, carte de visite, medals, Atelier Gebrüder Siebe (ante 1864-19..), Siebe, Hugo, Siebe, Max, Bender, Fritz, Halberstadt (Niemcy; Saksonia-Anhalt), Lipsk (Niemcy; Saksonia), Szczecin, Wrocław}, }