This is a treasure chest of computer-related papers from 1951 - 2000. The topics span the full breadth of computing, including topics that might not immediately come to mind.

An example: I posted a 1984 paper about end-user documentation for all types of users (including developers) from the ACM archive. Despite the age of the paper, you'll recognise the questions about documentation even today.

'Those silly bastards': A report on some users' views of documentation (1984) https://news.ycombinator.com/item?id=31003306