"The Ride of the Valkyries" is a tribute to Richard Wagner and to his operas inspired by northern mythology.
Norse mythology is a version of the older northern Germanic mythology.
The ghost-huntsmen tradition was one of the central images of northern mythology and was symbolic of the presence of dark or evil forces, connected here with the appointment of an unpopular abbot.
Wayland the Smith, character from northern European mythology (also spelt Weyland)
These early writings indicate the lines which Fouqué's subsequent literary activity followed; his interests were divided between medieval chivalry on the one hand and northern mythology on the other.
Eda was a goddess in northern mythology, the Guardian of Time and Wealth.
"Urd" is the name of one of the norns that according to northern mythology stands under Yggdrasill and weaves the lifeline of mankind.
Verbti is a deity of storm and fire in northern Albanian mythology.
Poul Anderson has written many novels mixing northern mythology with the historic events of the viking era: The Broken Sword, Hrolf Kraki's Saga.
I'm certain you don't know much northern mythology.