This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
Licensing
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The assets of Edison Records have been transferred to the National Park Service. These recordings may be considered public domain through the donation (this is unclear), or otherwise orphan works as copyright has not been asserted by the National Park Service or any successors to Edison Records.
Sound recordings that were first published prior to January 1, 1924 are in the public domain in the United States. For Edison Records recordings that were published before 1924 and that do not incorporate preexisting copyrighted material, the template {{PD-US-record-expired}} may be applicable.
Note: The restored MP3 versions of the recordings from the University of California Santa Barbara Library are available only under an unacceptable non-commercial license.[1] Unedited raw (.wav) versions were formerly available from that site under a dedication into the public domain; while they are no longer available, those .wav files downloaded before the change in policy (dated June 2009) can still be used freely.
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{{Information |Description ={{en|1=Message of Porfirio Diaz to Thomas Alva Edison}} {{es|1=Mensaje de Porfirio Diáz a Thomas Alva Edison}} |Source =[http://www.nps.gov/edis/photosmultimedia/documentary-recordings-and-political-speeches.htm Nat