si-national-portrait-gallery: Anna Held and Florenz Ziegfeld, Unidentified Artist, c. 1900, Smithson
si-national-portrait-gallery: Anna Held and Florenz Ziegfeld, Unidentified Artist, c. 1900, Smithsonian: National Portrait GallerySize: Image/Sheet: 24.6 × 19.8 cm (9 11/16 × 7 13/16")Medium: Gelatin silver printhttps://npg.si.edu/object/npg_NPG.80.103 -- source link