I am not sure but I think I would pay $150+ a month for a website that have pre 1960 universities syllabus, exams, handbooks, student notes, lectures, etc.

For example, I would definitely do so for these lectures

For example, I would definitely do so for these lectures
https://leostrausscenter.uchicago.edu/audio-transcripts/courses-audio-transcripts/

What's wrong with the content from today's universities? I'm not familiar with what university lectures were like pre 1960.

https://www.fernuni-hagen.de/

Its about $200 per semester, mainly for scripts, and much better than the universities with presence expected where I have gotten my degrees. I studied Mathematics as a hobby there for a bsc. in 2008. I can only say it was much better than expected.