Vsam: Access Method Services and Application Programming by Doug Lowe

VSAM : Access Method Services and Application Programming - Doug Lowe (1986, PB)

VSAM Ams and Application Programming 1986 by Doug Lowe: Used

VSAM: Access Method Services and Programming Techniques By James Martin

Murach's OS/390 and z/OS JCL: Complete Computer Mainframe Programming Guide ...

Vsam: Access Method Services and Programming Techniques

Murach's CICS for the COBOL Programmer by Raul Menendez, Doug Lowe

Murach's DB2 for the COBOL Programmer: Essential SQL Database Programming Gu...