*Mark Crispin's 1986 list of PDP's*Several PDP and LAB's, still runnable in a German computer museum*DEC's PDP-6 was the world's first commercial time-sharing system Gordon Bell interview at the Smithsonian*DEC PRODUCT TIMELINE* Description and Use of Register Transfer Modules on Gordon Bell's site at Microsoft.
==External links==*Mark Crispin's 1986 list of PDP's*Several PDP and LAB's, still runnable in a German computer museum*DEC's PDP-6 was the world's first commercial time-sharing system Gordon Bell interview at the Smithsonian*DEC PRODUCT TIMELINE* Description and Use of Register Transfer Modules on Gordon Bell's site at Microsoft.