BBC
https://www.factmag.com/2018/04/20/bbc-sound-effects-archive-download/
https://sound-effects.bbcrewind.co.uk
https://www.digitalproduction.com/2018/05/15/bbc-sound-effects/
https://sound-effects.bbcrewind.co.uk
…
https://www.soundarchive.online <— https://www.hoerspielbox.de
https://www.freetousesounds.com/sound-library/
https://de.wikipedia.org/wiki/Liste_von_Schallarchiven
https://de-de.sennheiser.com/shape-the-future-of-audio-british-library-sound-archive