- University of Illinois at Urbana-Champaign, University Library
Pictorial. Ownership. 102x146 mm. QVIDQVID LATET APPAREBIT / J | [cipher:] SM | L / [signed at bottom:] Jules Ade[...] Rouen 1896. Front of Gothic cathedral (Rouen). Motto: "Quidquid latet apparebit" = What is hidden will be revealed.
- 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