G.L. · R. L · R. Lehmann
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Keyboarding Technology: the Complete Course: Instructor's Manual | 978-0-07-452708-5 (0-07-452708-8) | 1992 | Williams |
| Keyboarding Technology: the Complete Course: Student's Workbook | 978-0-07-452710-8 (0-07-452710-X) | 1991 | " |
| Keyboarding Technology: the Complete Course: Textbook | 978-0-07-452709-2 (0-07-452709-6) | 1991 | " |