| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| COBOL: From Micro to Mainframe | 978-0-13-082713-5 | 1998 | Robert T. Grauer · Carol Vazquez Villar |
| COBOL: From Micro to Mainframe | 978-0-13-790817-2 | 1998 | Robert T. Grauer · Carol Vasquez Villar |
| Cobol, from Micro to Mainframe & Cobal Compnents | 978-0-13-082982-5 | 1999 | Robert T. Grauer · Carol Vasquez Villar |
| COBOL: From Micro to Mainframe: Fujitsu Version | 978-0-13-085849-8 | 1999 | Robert T. Grauer · Carol Vasquez Villar · Robert Grauer · Arthur Buss |