- University of Illinois at Urbana-Champaign, University Library
Armorial. Ownership. 67x85 mm. [seal:] SEMPER SAPIT SUPREMA / Biddleston / Johnson sc. Cheltm. Coat of arms. Escutcheon: barry of eight, or (gold) and sable (black). Crest: A saracen's head proper wreathed around the temples. Motto: Semper sapit suprema (He is always knowing about heavenly things). Biddlestone was the seat of the Selby family.
- 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