SYSTEM 360 COBOL Bernard 1968 IBM Computer Programming Prentice-Hall

Structured Programming with PL/1 An Introduction

Standard COBOL Mike Murach 1971 Computer Programming Textbook Science Research

COBOL Programming Information Systems 1978 Philippakis Kazmier Vintage Book

Earl H Parsons - Structured Programming with COBOL Examples - New Hard - X555z

Structured Methods Through COBOL Robert T. Grauer 1983 Programming Textbook

Cobol: An Introduction for Beginners

Fundamentals of Structured COBOL Programming