Historic-UK.
https://www.historic-uk.com/HistoryUK/HistoryofBritain/Invaders/
Viking burial ship
Britannica.
https://school.eb.co.uk/levels/intermediate/search/articles?query=vikings
Saxon Warrior c. 787AD
Historic-UK.
https://www.historic-uk.com/HistoryUK/HistoryofEngland/Arms-Armour-up-to-1066/