I believe it is Vanderbilt University which has the TV archive. 
https://tvnews.vanderbilt.edu/

There are a couple of other "tv news archives" showing up in a search. 
Vanderbilt's was the first one in the U.S. ARSC had a program about it 
back, meeting in Nashville.

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On 9/28/2020 6:49 AM, David Rahtz wrote:
> Hi all -
>
> Wondering if there is a log out there with titles and subject matter of
> current and now-defunct tv news magazine show segments (Nightline / Inside
> Edition / West 57th). Ideally from ~1970 onward.
>
> Any leads greatly appreciated!
>
> Thanks so much.