Copyright for Official University records is held by Duke University; all other copyright is retained by the authors of items in these papers, or their descendants, as stipulated by United States copyright law. Regardless of copyright status, we have made a good faith determination that online access through the Duke Digital Repository is an acceptable fair use and otherwise permitted under U.S. copyright law. For more information, see our page on copyright and citations: https://library.duke.edu/rubenstein/research/citations-and-permissions.
MP3