Structured COBOL: Fundamentals and Style by Welburn, Tyler

Structured Cobol: Fundamentals - Paperback, by Welburn Tyler; Price - Acceptable

Structured Cobol Paperback Welburn

Structured Cobol: Fundamentals and Style - paperback Welburn, Tyler|Price, W...

Structured Cobol Programming

Advanced ANSI COBOL with Structured Programming: For VS COBOL II and...

Structured Cobol by Welburn (1994, Trade Paperback)

Advanced ANSI COBOL with Structured Programming: For VS COBOL II and...