Identifying Copyright Holders:
Codes of Best Practice: Center for Media & Social Impact
Copyright Genie: American Library Association. Helps you find out if a work is covered by U.S. copyright and calculate its terms of protections.
Fair Use Checklist: Columbia University Libraries. Helps educators, librarians, lawyers, and many other users of copyrighted works determine whether their activities are within the limits of fair use under U.S. copyright law.
Fair Use Evaluator: American Library Association. Helps you better understand how to determine the "fairness" of a use under the U.S. Copyright Code.
Exceptions for Instructors eTool: American Library Association. Tool to help you find out if your intended use meets the requirements set out in the law.
Public Domain Sherpa: Copyright Term Calculator: Helps you to assess the public domain status of copyrighted works in the U.S.
Public Domain Slider: American Library Association. Find out if a work is protected by copyright.
Section 108 Spinner: American Library Association. Reproductions by Libraries or Archives for their Users, for Replacement, or for Preservation.
T.E.A.C.H Act Checklist: Indiana Univ of Pennsylvania Libraries
U.S. Copyright Office Public Catalog: Copyright catalog 1978 to present.