| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Learn to Relax: 13 Ways to Reduce Tension | 978-O-13-527556-6 (O-13-527556-3) | 1975 |
C. E. Walker · C. Eugene Walker · C. W. · C. Walker · Clarence E. · Clarence E. Walker · Clarence Walker · E. Walker · Eugene W.