| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Samurai religion | Paperback | 978-91-7222-155-0 | 1976 |
| The Heart of the Warrior: Origins and Religious Background of the Samurai System in Feudal Japan | Hardcover | 978-1-873410-06-6 | 2004 |
| The Heart of the Warrior: Origins and Religious Background of the Samurai System in Feudal Japan | Paperback | 978-1-873410-13-4 | 1995 |
| The West's Encounter with Japanese Civilization 1800-1940 | Hardcover | 978-0-7007-1374-5 | 2000 |