| title | ISBN-13 | year of publication |
|---|---|---|
| Cleaning Proficiency Manual | 978-0-947567-25-5 | 1998 |
| Cleaning Proficiency Manual | 978-0-947567-20-0 | 1995 |
| Cleaning Proficiency Manual | 978-0-947567-14-9 | 1990 |
| Cleaning Supervisor's Handbook | 978-0-947567-01-9 | 1984 |
| Floors and Their Maintenance | 978-0-947567-30-9 | 1999 |
J. E. · J. Edwards · J.K · J K Edwards · J. P. · J. P. Edwards · John Kenneth Parkes Edwards · K.P. · P.E. · P. Edwards