Some materials may be protected under international law. You will need written permission from the rightsholders to copy, distribute, or otherwise use copyrighted materials except as allowed by fair use or other statutory exemptions. You are responsible for deciding whether your use of the items in this collection is legal. Researchers should watch for documents that may be copyrighted (for example, published in the United States less than 95 years ago, or unpublished and the author died less than 70 years ago). The Library has also obtained permission for the use of many other materials, and presents additional materials pursuant to fair use under United States copyright law. more than 95 years ago are in the public domain.

For example, all photos published in the U.S. The Library of Congress believes that many of the papers in the Detroit Publishing Company collection are in the public domain or have no known copyright restrictions and are free to use and reuse. LC-DIG-det-4a17292 (digital file from original).Library of Congress Prints and Photographs Division Washington, D.C. Detroit Publishing Company photograph collection (Library of Congress).Gift State Historical Society of Colorado 1949.

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