| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Labor Law 2003: Selected Statutes, Forms, and Agreements | 978-0-7355-4438-3 (0-7355-4438-7) | 2003 | Michael C. Harper · Samuel Estreicher |
| Labor Law: Cases, Materials, and Problems | 978-0-7355-6236-3 (0-7355-6236-9) | 2007 | Michael C. Harper · Samuel Estreicher |
| Labor Law Selected Statutes Forms & Agreements 2007 Edition | 978-0-7355-7076-4 (0-7355-7076-0) | 2007 | Michael C. Harper · Sameul Estreicher |