As requested, here are some places to look. Golden age comics are the best for this sort of silly stuff and many are public domain, so there are multiple places to look for them. Be warned, it is overwhelming. They churned out comics back then like they were gum wrappers.
https://digitalcomicmuseum.com/
https://www.pulpmagazines.org/old-comics/
https://www.comicweb.com/golden-age-comics.html
Feel like wading through the mess of the Internet Archive if you like: https://archive.org/details/comics
If you wish to brave the evil that is Reddit, there is: https://www.reddit.com/r/GoldenAgeComics/
If anyone has other resources, feel free to add them. Please no pirate sites, there's a lot of "read today's comics online for free" sites which would violate lemmy.world ToS.
Is this sub also for posting things found in comics that aren't panels, like this?
… what the Kentucky fried fuck is that?
"Hey comic book reader! Here's a lighthearted questionnaire on your opinions on Jews and negroes"
Context
It was a rather ham-fisted attempt to get people to consider their biases: