R. S. · R. Schmitz · Ruth Schmitz-Ehmke
| title | ISBN-13 | year of publication |
|---|---|---|
| First look at-- DOS 5.0 | 978-0-07-056872-3 | 1993 |
| First Look at DOS 6.0 | 978-0-07-056880-8 | 2004 |
| First Look at ... Windows 3.0/3.1 | 978-0-07-056826-6 | 1992 |
| Practical Dos! | 978-0-07-911987-2 | 1995 |
| Practical DOS | 978-0-07-911988-9 | 1995 |
| Practical DOS! | 978-0-07-056827-3 | 1992 |
| Practical DOS! | 978-0-07-837953-6 | |
| Practical Dos!/Book and 3 1/2" Disk | 978-0-07-832034-7 | 1992 |
| Practical Dos-MS/Pc-Dos/Book and Disk | 978-0-07-558222-9 | 1991 |
| Using Dos 5.0 | 978-0-07-056852-5 | 1993 |
| Using DOS 5.0 | 978-0-07-911493-8 | 1993 |
| Using DOS 5.0 | 978-0-07-911494-5 | 1993 |