Just about anything related to the OS architecture.
Yet Another Paper, for the "operating systems" class. I still have to go over and see what, if anything, IBM has about the system on their website. I'm aware it was a batch processing OS, with multithreading added in later versions of the OS. I've found some good info on the web, but I'm still lacking in specifics on how the OS itself functioned.
Nobody wins in a butter eating contest