- Des Robert, Edmond
- University of Illinois at Urbana-Champaign, University Library
Mixed. Ownership. 86x92 mm. EX libris H. Dannreuther ecclesiae barro Ducis reform. ministri / quantum est quod nescimus /[artist's mark:] RE. Coat of arms. Armorial shield Crest: a woodsman holding an uprooted tree (also depicted on shield). Motto: Quatum est quod nescimus (How little we know). Multicolored. The motto was previously used by the Dutch scholar Daniel Heinsius (1580-1655).
- 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