[@Lucius Cypher]
Yeah, thanks. The Essay is about the settlement history of the Elbe-Weser-Triangle... (Mostly focused about late stone age to iron age) my main issue with the topic was... I couldn't find any books about it, but my professor claims there are.
So I basically wrote what I heard and experienced on the excursion this essay was about... and I basically forgot that we absolutely HAD to include other sources... since the excursion was almost 2 months ago... <.< >.>