A few historically interesting architecture books that are now available for free online are: Thornton, James E, Design of a computer: the Control Data 6600 ht

A few historically interesting architecture books that are now available for free online are: Thornton, James E, Design of a computer: the Control Data 6600 http://ygdes.com/CDC/DesignOfAComputer_CDC6600.pdf http://ygdes.com/CDC/DesignOfAComputer_CDC6600.pdf Gordon Bell, Computer Engineering: A DEC View of Hardware Systems Design http://research.microsoft.com/en-us/um/people/gbell/CGB%20Files/Computer%20Engineering%207809%20c.pdf http://research.microsoft.com/en-us/um/people/gbell/CGB%20Fi... Levy, Henry M., Capability-Based Computer Systems http://homes.cs.washington.edu/~levy/capabook/ http://homes.cs.washington.edu/~levy/capabook/