Cohn, Laurence S.
Effective use of ANS COBOL computer programming language
Wiley-Interscience, 1975
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McCraken, Daniel D.
A Simplified guide to structured cobol programming
John Wiley & Sons, 1976
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Noll, Paul
The Structured programming cookbook: a productivity tool for the cobol programmer
Mike Murach & Associates, Inc, 1978
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Nickerson, Robert C.
Fundamentals of structured COBOL
Little, Brown, 1984
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Litecky, Charles R.
Structured Cobol: a step by step approach
McGraw-Hill, 1987
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