- University of Illinois at Urbana-Champaign, University Library
Armorial. Ownership. 109x84 mm. EX LIBRIS SOPHIE | GRAEFIN INGELHEIM | 1904 / [artist's monogram:] JPR. Regal woman with coat of arms.
- Rare Book and Manuscript Library, University of Illinois at Urbana-Champaign; For more information, please contact the Rare Book and Manuscript Library: https://illinois.edu/fb/sec/7016277