| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| American Federalism and Public Policy: How the System Works | Paperback | 978-0-07-553789-2 | 1989 |
| Occupational Safety and Health Management | Hardcover | 978-0-07-002108-2 | 1989 |
| Occupational Safety and Health Management | Paperback | 978-0-07-100666-8 | 1989 |
| Occupational safety and health management | Hardcover | 978-0-07-002106-8 | 1979 |