https://archives.lib.duke.edu/catalog/semansjamesh_aspace_5884453db4a6615972f515ccbbaa87d8
Audio and Video Recordings, 1946-1996 - Archives & Manuscripts at Duke University Libraries
In: James H. Semans papers, 1878-1955, bulk 1936-1953 // Audio and video recordings of or from James H. Semans.
audio and video recordings
https://events.ccc.de/en/2009/09/12/sigint-2009-audio-and-video-recordings-available/
SIGINT 2009 audio and video recordings available - CCC Event Blog
audio and video recordingssigintavailablecccevent