Thank you! There are a few others like this:
Radio Dramas: https://www.locserendipity.com/Radio.html
VOA Audio 2020 Collection: https://www.locserendipity.com/VOA.html
BBC One: https://www.locserendipity.com/Rad1.html
G. Robert Vincent Voice library: https://www.locserendipity.com/Vincent.html
AND 78RPM records with reduced static (used a high/low pass filter to remove it using Pizzicato.js): https://www.locserendipity.com/Listen.html