*Private Collection of historical documents about CDC*Control Data User Manuals Library @ Computing History*Computing history describing the use of a range of CDC systems and equipment 1970-1985*A German collection of CDC, Cray and other large computer systems, some of them in operation
* Private Collection of historical documents about CDC* Control Data User Manuals Library @ Computing History* Computing history describing the use of a range of CDC systems and equipment 1970—1985