Business application language designed at the behest of the USA Department of Defence in the 1950's.
A list of OS/2 implementations of COBOL
Libraries and bindings
A list of DOS implementations of COBOL
A list of COBOL implementations that run under WinOS/2
A list of COBOL implementations that run under Java
A list of COBOL implementations in JavaScript
Publications
Local articles
Tutorials and other learning material
Standards