Vikings : the North Atlantic saga / ed. by William W. Fitzhugh a. Elisabeth I. Ward ; [pref. by Hillary Rodham Clinton]. - Washington : Smithsonian Institution Press : National Museum of Natural History, 2000. - 432 p. : ill. ; 29 cm.см.. - ბიბლიოგრ.: გვ. 402-413. - ISBN 1-56098-970-X[MFN: 45999]