- University of Illinois at Urbana-Champaign, University Library
Pictorial. Ownership. 70x123 mm. EX LIBRIS / WILLIAM R A HAYS / [artist's monogram:] Th |1920. Greek temple in partial ruin.
- 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