G520-3207-0 3031 Processor Complex, Facts Folder; G520-3188-0 3032 Processor Complex, Facts Folder; GX26-1678-02 IBM 3380 Direct Access Storage: Reference summary, Storage Subsystem Library; GX26-1678-0 Reference Summary, IBM 3380 Direct Access Storage; GA18-2012 Problem Determination Guide for the IBM 3767 Communication Terminal; GA27-3106-02 Operator's Introduction to the IBM 3767 Communication Terminal