We’ve compiled these various resources to help you with your work.  If you have suggestions or other tools that you would like to share please contact us.

Copyright Term and Public Domain in the United States, January 1, 2015
Peter B. Hirtle at Cornell University put this excellent chart together.  See the section on Works Registered or First Published in the U.S. which shows that materials published between 1923 and 1977 and lacking a formal copyright notice, are public domain.

State Copyright Resource Center – Tracking Copyright Policies Across the 50 States

FSGI Survey Questionnaire – we surveyed several groups that we’ve presented to.

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