Douglas E. · Douglas Engh · Douglas Ens · John Douglas Eames
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Office Dictation Today | 978-0-273-40451-4 | 1970 | B. W. Canning |
| Office Dictation Today: Workbook 1 | 978-0-273-41325-7 | 1969 | " |
| Office Dictation Today: Workbook 2 | 978-0-273-41339-4 | 1969 | " |
| Pitman 2000: Shorthand Speed Development | 978-0-273-00203-1 | 1976 | |