Micro Focus Personal COBOL 2.0 for DOS: Programmer's Guide by Micro Focus

IBM CNS User's Guide For COBOL - IBM (Paperback, August 1983)

Micro Focus Personal COBOL 2.0 for DOS : Programmer's Guide Paper

Structured Cobol

COBOL Programming Information Systems 1978 Philippakis Kazmier Vintage Book

The Revolutionary Guide to Cobol With Compiler

Information Systems Through COBOL

The Wiley COBOL Syntax Reference Guide: With IBM and VAX - VERY GOOD