Analysis of information sources in references of the Wikipedia article "Southampton" in English language version.
Hamwic, which is described as a commercial port (mercimonium). Hamwic (also known as Hamtun) must have possessed considerable administrative importance as by the middle of the 8th century it had given its name to the shire – Hamtunscire.
The economic motor driving trade [was] larger-scale trade in relatively low value commodities such as wool, timber and quernstones
Hamwic, which is described as a commercial port (mercimonium). Hamwic (also known as Hamtun) must have possessed considerable administrative importance as by the middle of the 8th century it had given its name to the shire – Hamtunscire.
The economic motor driving trade [was] larger-scale trade in relatively low value commodities such as wool, timber and quernstones