The American Women Making History and Culture, 1963-1982 (“American Women”) collection on the internet archive includes Pacifica Radio Archives’ holdings from the five Pacifica radio stations (KPFA- Berkeley, CA; KPFK- Los Angeles, CA; WBAI- New York, NY; WPFW- Washington, DC; and KPFT- Houston, TX). They mainly relate to second wave feminism from 1960s-1980s and have fascinating interviews and documentaries.
See this example of Audre Lourde https://archive.org/details/pacifica_radio_archives-KZ1240 

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