Cobol Basics: A Structured Approach by Gerry Manning First Edition

Murach's Structured COBOL

COBOL: Structured Programming Techniques For Solving Problems 2nd Ed., Fowler

DB2 for the COBOL Programmer Parts 1 & 2 2nd Ed Textbook Set Murach

Evidence: A Structured Approach by Victor Gold, David Leonard - Second Edition

Structured Cobol Programming 8th Edition by Nancy B. Stern; Robert A. Stern

Fundamentals of Structured COBOL Programming 3rd Edition by Carl Feingold

Simplified Structured Cobol with Microsoft/Microfocus Cobal