They might have something at the National Voice Library, Michigan State
University,
https://lib.msu.edu/vvl/

or at the University of Washington (Seattle)
http://www.lib.washington.edu/about/news/announcements/newly-digitized-cbs-radio-news-broadcasts-from-december-7th-1941-to-be-aired

I did not take time to search these.

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On 3/8/2018 2:36 AM, Dr. Anna Dorothea Schneider wrote:
> Maybe someone will be able to help me:
> I am prepraring an audio-piece on Jerome David Salinger (1919-2010)
> for the German public radio station SWR2, and I am looking for
> original sound recordings of his voice - any interview with some
> characteristic soundbites or the like.
> Hints at possible whereabouts of such material would be very welcome
> and much appreciated.
>
> Sincerly
>
> Anna-Dorothea Schneider
>
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