| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Pitman New Era Anniversary Edition | 978-0-582-29889-7 (0-582-29889-X) | 1997 | Audrey O'Dea |
| Pitman New Era Shorthand Key | 978-0-273-02901-4 (0-273-02901-0) | 1988 | Audrey O'Dea · Joan Sykes |
| Pitman New Era Shorthand: Workbook 1 and 2 | 978-0-273-02900-7 (0-273-02900-2) | 1988 | Audrey O'Dea · Joan Sykes · Julie Watson · Pamela Williams |