sentences:  According to "Skáldatal" and "Fagrskinna" Glúmr composed a poem on Erik Bloodaxe where he laid out the king's exploits in many countries.No surviving verse can definitely be assigned to this poem but Finnur Jónsson attributed a two-line refrain found in the Third Grammatical Treatise to it.He also believed that a verse cited in "Heimskringla" and said to refer to Harald Greyhide was actually a part of the lay on Erik.