- University of Illinois at Urbana-Champaign, University Library
Armorial. Ownership. 68x95 mm. William Cowper Esq. Coat of arms. Escutcheon: Quarterly, 1st and 4th, parted per chief invected, upper part gules, three annulets or, lower part argent, three martlets gules; 2nd and 3rd, parted per chief, upper part sable, a lion rampant argent, lower part or, on a chevron sable three escallops argent. Crest: a lion's arm erased, holding in its paw a branch in leaf. Badly discolored by collector's glue.
- 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