Finding a Book Not at the University of Chicago

WorldCat
This is a supercatalog of titles held in hundreds of North American libraries, including most academic research institutions, government laboratories, public libraries and even several corporations.
Other Library Catalogs
This is a list of many of the more important national catalog databases and library catalogs; Chicago area libraries such as Northwestern University, the Center for Research Libraries, and Chicago Public; Library of Congress; the CIC Virtual Electronic Library (VEL) for access to Big Ten library information; etc.
Use Interlibrary Loan services to obtain loans of books from other libraries, as well as photocopies of journal articles, and other materials not held at the University of Chicago.