| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Training Course billionaire Andrew Carnegie ISBN: 4877712380 | 978-4-87771-238-9 (4-87771-238-0) | 2008 | Andrew Carnegie · Napoleon Hill · Takaaki Tanaka |
| What we should learn from the success ISBN: 4877712070 | 978-4-87771-207-5 (4-87771-207-0) | 2007 | Napoleon Hill · Takaaki Tanaka |