In addition to finding newspaper articles, you can use NexisUni to search through TV and radio transcripts - use content type filters to narrow down your results to TV and radio.
Includes a list of links to oral history projects that offer audio/video with searchable transcripts.
First, look over a few project descriptions to get a sense for how much information is provided on this page. Then use CTRL+F to search. Start with your state or country.
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