| title | ISBN-13 | year of publication |
|---|---|---|
| Cobol Functions: An Introduction | 978-0-13-139940-2 | 1990 |
| Personal Computer BASIC Reference Manual: Bk. 1 | 978-0-13-658047-8 | 1983 |
| The Programmer's ANSI Cobol Reference Manual | 978-0-13-729633-0 | 1988 |
| The programmer's ANSI COBOL reference manual | 978-0-13-729491-6 | 1978 |