In its capacity as owner of the content in this Web exhibit, the University of Chicago Library encourages the use of these materials for educational and scholarly purposes.

The John Crerar Library has, where possible, obtained copyright permission for the use of images and photos. Some materials posted on this site may be protected by the U.S. Copyright Law (Title 17, U.S.C.) and/or by the copyright or neighboring-rights laws of other nations. Transmission or reproduction of protected items beyond that allowed by fair use may require the written permission of the copyright owners.

Use of these materials for publication in any medium also requires the permission of the University of Chicago Library. For further information on reproduction of materials, contact Jennifer Hart at The John Crerar Library.