z/OS V2R1.0 Communications Server: SNA Resource Definition Reference
IBM
HADLC1J
Unknown
System Automation for OS/390: System Automation for OS/390 V2R2.0 ...
AZZUGMST
fpxuga10
Bite Size Linux
Julia Evans
z/OS V1R1.0 CS: IP Messages Volume 1 (EZA)
c2768403
High Level Assembler for z/OS & z/VM & z/VSE: General Information