Copyright Guidance & License Yale University http://web.library.yale.edu/about/copyright
The Copyright Law of the United States (Title 17, United States Code) governs the making of reproductions of copyrighted materials. Libraries and archives are authorized to provide a photocopy of materials under conditions specified in the law. To abide by Copyright Law, 50 pages or 10% of a work, whichever is less, may be copied and obtained via Interlibrary Loan.
The Library reserves the right to decline requests based on the interpretation of the Copyright Law.
If copyright fees are over $100.00 we may have to cancel the request.
Additional copyright information:
Reproduction of Copyrighted Works by Educators and librarians: http://www.copyright.gov/circs/circ21.pdf