Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Archaeological Border complex of Hedeby and the Danevirke' has mentioned 'Adam of Bremen' in the following places:
Occurrence Sentence Text Source
Adam of Bremen (11th century) reports that ships were sent from this portus maritimus to Slavic lands, to Sweden, Samland (Semlant) and even Greece.
This was told to Adam of Bremen by the Danish king Sweyn Estridsson, and it is supported by three runestones found in Denmark.