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COBOL 
Teach Yourself COBOL in 21 Days (By Mo Budlong) [Mirror] [Mirror] [Mirror]
COBOL Programming Standards (A.J. Marston) COBOL Coding Style and Technique (M.C. Kasten)
ZingCOBOL: A Beginner's Guide to Programming in COBOL (T. Brown)
COBOL programming Tutorials