IBM CICS/VA version 1 Release 5 Application Programmer's Reference Summary

IBM CICS/OS/VS Version 1 Release 6 Application Programmer's Referene Summary

IBM BASIC REFERENCE BOOK/BINDER 1984 3RD EDITION - COMPUTER / PC / LAPTOP

IBM BASIC Personal Computer Hardware Reference Library Manual (1982) w/ Slipcase

IBM - Disk Operating System Version 3.30 Quick Reference Card Programming Family

VTG IBM OSPL/I version 2 programming reference summary 1st edition Dec 1987

IBM VTG VS Fortran application programming source-time reference summary

IBM RPG Debugging and WSU/$SFGR Debugging Templates, Lot of 3