Technical Articles and Tutorials for Cobol

http://www.3480-3590-data-conversion.com/index.html#technical%20articles

http://www.mainframes360.com/2009/04/cobol-tutorials.html

http://www.mainframesguru.com/chapters.php?subitems=19&&Formviewcontent_Page=1

http://www.mainframegurukul.com/tutorials/programming/cobol/cobol-tutorial.html