▁en ▁j y sk ▁v ik ing eb org ▁( 1 9 7 7 ) ▁was ▁on ▁the ▁Vik ing ▁for tr ess ▁at ▁F yr k at ▁near ▁Hob ro ▁in ▁the ▁north ▁of ▁J ut land , ▁which ▁she ▁investig ated ▁together ▁with ▁O la f ▁O ls en . ▁She ▁went ▁on ▁to ▁study ▁other ▁Vik ing ▁fort ifications , ▁publishing ▁her ▁best ▁s eller ▁Dan marks ▁v ik ing et id ▁in ▁ 1 9 8 0 , ▁translated ▁into ▁English ▁as ▁Vik ing ▁age ▁Den mark ▁( 1 9 8 2 ). ▁Even ▁more ▁popular ▁was ▁her ▁Vik ing ern es ▁ver den ▁( 1 9 8 7 ), ▁published ▁in ▁English ▁as ▁The ▁Vik ings ▁in ▁ 1 9 9 1 . ▁Ro es d ahl ▁has ▁also ▁written ▁many ▁articles ▁on ▁the ▁Vik ings ▁and ▁the ▁Middle ▁A ges ▁as ▁well ▁as ▁a ▁short ▁book ▁on ▁the ▁disapp earance ▁of ▁N ors emen ▁in ▁Green land ▁titled ▁H val ro stand , ▁el fen ben ▁og ▁nord bo ere ▁i ▁Gr ø n land ▁( 1 9 9 5 ). ▁ ▁Ro es d ahl ▁has ▁also ▁played ▁a ▁major ▁role ▁in ▁coordin ating ▁exhib itions ▁on ▁the ▁Vik ings , ▁including ▁Vik inger ne ▁i ▁England ▁og ▁h jem me ▁i ▁Dan mark ▁( The ▁Vik ings ▁in ▁England ▁and ▁their ▁Dan ish ▁hom eland , ▁ 1 9 8 1 ) ▁also ▁featured ▁in ▁York , ▁England , ▁and ▁Vik ing ▁og ▁H v