COBOL Programming Standards (A.J. Marston)
This note covers the following topics: Source Code Documentation, Program Identification, Program Data, Program Code, Program Structure, Sentences and Statements, Conditional Processing, Hints, Notes and Warnings, Sample Online Procedures, Sample Batch Procedures, Multi-line Enquiry screens and Multi-line Input or Update screens.
Author(s): A.J. Marston
NA Pages 
This document describes the syntax, semantics and usage of the COBOL programming language as implemented by the current version of GNU COBOL, formerly known as OpenCOBOL.
Author(s): Gary L. Cutler
640 Pages
This note covers the following topics: Format, Variable Declarations, Executable Statements, Input and Output, Compiling And Running, Cobol String Handling, Subscripting Vs Indexing In Cobol and Table Searching in cobol.
Author(s): University of Regina
NA Pages
