Gudmund Hatt
... that the Danish ethnologist Gudmund Hatt systematically inventoried cultural similarities and differences amongst northern peoples?
... that the <a class="mw-redirect" href="./Danish_people" id="mwF5g" rel="mw:WikiLink" title="Danish people">Danish</a> <a href="./Ethnology" id="mwF5k" rel="mw:WikiLink" title="Ethnology">ethnologist</a> <b id="mwF5o"><a href="./Gudmund_Hatt" id="mwF5s" rel="mw:WikiLink" title="Gudmund Hatt">Gudmund Hatt</a></b> systematically inventoried cultural similarities and differences amongst northern peoples?