n/c · n/s · NATL Safety · S.C.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Accident Prevention Manual: Administration and Programs, Ninth Edition | 978-0-87912-135-8 (0-87912-135-1) | 1988 |
| Fundamentals of Industrial Hygiene, Third Edition | 978-0-87912-082-5 (0-87912-082-7) | 1991 |