- University of Illinois at Urbana-Champaign, University Library
Pictorial. Ownership. 83x116 mm. Ex libris / Harry Morgan Ayres. Renaissance youth on stool, reading a book with Greek word, beside arched doorway, on either side of which are shelves of books; a huge candlestick behind him. Illegible artist's initials and date: '04[?], lower right. Ayres became a professor of English at Columbia University.
- 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