| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1995 | 978-1-886958-00-5 | James O Westgard | Planning and validating QC procedures: Workshop manual |
| 2001 | 978-1-886958-16-6 | James O. Westgard | Six Sigma Quality Design & Control |
| 2003 | 978-1-886958-19-7 | Westgard | Basic Method Validation |