- University of Illinois at Urbana-Champaign, University Library
St. James's Theatre (London, England). Swatched. 6 3/4 x 9. Late Italian Renaissance; c. 1500-1550. Http://images.library.uiuc.edu/projects/motley/prodnote/prodoth.htm.
- Color swatch
- Rare Book and Manuscript Library, University of Illinois at Urbana-Champaign; For questions regarding these materials, please contact the Rare Book and Manuscript Library: https://illinois.edu/fb/sec/7016277