A manual titled, "File processing with COBOL/WATBOL: part 2" by Donald Cowan, R.H. Cooper, Paul H. Dirksen, and James Wesley Graham. According to the introduction "the purpose of this text was to introduce some of the most common file-processing techniques, and to illustrate their implementation using the COBOL language." The manual is printed in two parts. Part 2 covers in detail the applications-oriented subjects such as sorting, file maintenance and report generation. Part 2 is one hundred and forty-two pages.

A manual titled, "File processing with COBOL/WATBOL: part 1, by Donald Cowan, R.H. Cooper, Paul H. Dirksen, and James Wesley Graham. According to the introduction "the purpose of this text was to introduce some of the most common file-processing techniques, and to illustrate their implementation using the COBOL language." The manual is printed in two parts. Part 1 introduces COBOL-oriented concepts and is one hundred and twenty-two pages.