Reallexikon der germanischen Altertumskunde Ergänzungsbände zum Reallexikon der germanischen Altertumskunde herausgegeben von Heinrich Beck ; [E]: Avalon 66° Nord : zu Frühgeschichte und Rezeption eines Mythos Egeler has produced the first scholarly treatise about the mythical kingdoms of Ódáinsakr und Glæsisvelir that fully examines the relevant materials and places them in the larger context of religious and literary history. He shows that these two mythical otherworldly realms in Old West Norse tradition represent the northern reception of Celtic mythical themes that play such a large part in Arthurian and Early Irish literature