...The page contains the original recording of the Wilhelm Scream...

https://freesound.org/people/craigsmith/sounds/675810/

> [Tag:] Man getting bitten by an alligator, and he screams... [...] Try an "Ow!"... A real scream...

I used to buy sound effect CDs whenever I saw them in record stores. They're really hilarious to play, because there's no context to the sounds.

Another reference: the BBC sound effect archive

https://sound-effects.bbcrewind.co.uk