From an internal $WORK chat:

The ACM Digital Library now offers access to ~50 years of papers/records without paywall or registration:
https://associationsnow.com/2022/05/the-way-things-were-why-open-access-to-the-acm-digital-library-matters/

This includes Dennis Ritchie & Ken Thompson's seminal 1974 "The UNIX Time-Sharing System" (https://dl.acm.org/doi/pdf/10.1145/357980.358014), an interview with one Steve Jobs from 1989 (https://dl.acm.org/doi/pdf/10.1145/63334.63336), where he discusses basing NeXTSTEP on "Berkeley UNIX" (aka BSD) + Mach and how the (previous year's) Morris Worm "isn't a really serious problem", and goes all the way back to 1951's paper on the UNIVAC (https://dl.acm.org/doi/pdf/10.1145/1434770.1434772).