D. Lock · R.D. · R. L · Robert D. · Robert L. · Robert Lock
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Job Search: Career Planning Guide, Book 2 | 978-0-534-57421-5 (0-534-57421-1) | 2004 |
| Taking Charge of Your Career Direction: Career Planning Guide, Book 1 | 978-0-534-57426-0 (0-534-57426-2) | 2004 |
| Taking Charge of Your Career Direction: Career Planning Guide, Book 1 | 978-0-534-35617-0 (0-534-35617-6) | 1999 |