E.H. · Emiko Hayashi · Enzo Hayakawa.
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| The 2000-year history of the Haga-Helgøy and Krick-Keller families: Ancestors and descendants | Hardcover | 978-1-885794-00-0 (1-885794-00-2) | 1994 |
| The 2000-year history of the Haga-Helgøy and Krick-Keller families: Ancestors and descendants | 978-1-885794-01-7 (1-885794-01-0) | 1994 |