Smithsonian · University of Washington Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Nomads of Eurasia | 978-0-295-96816-2 (0-295-96816-8) | 1989 | |
| Vikings: The North Atlantic Saga | 978-1-56098-995-0 (1-56098-995-5) | 2000 | William W. Fitzhugh · Elisabeth I. Ward |