| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Fundamentals of Structured Cobol Programming | 978-0-697-06722-7 (0-697-06722-X) | 1991 | Carl Feingold |
| Fundamentals of Structured COBOL Programming | 978-0-697-00969-2 (0-697-00969-6) | 1988 | " |
| RM/COBOL-85: Educational development system, version 5.24: user's guide | 978-0-697-23723-1 (0-697-23723-0) | 1994 | |