- University of Illinois at Urbana-Champaign, University Library
Pictorial. Ownership. 59x91 mm. MANUEL A. ORTIZ / EX-LIBRIS / [artist's name:] DUARTE GR. Printed in blue. Sailing ship at sea with large sword transfixing the design.
- 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