Columbia subject headings:
Decoration and ornament, Medieval--Sweden--Gotland--Themes, motives.
Decoration and ornament, Norse--Sweden--Gotland--Themes, motives.
Gotland (Sweden)--Antiquities.
Stele (Archaeology)--Sweden--Gotland.
Stone carving--Sweden--Gotland.
Vikings--Sweden--Gotland.
Harvard subject headings:
Petroglyphs--Scandinavia.
Princeton subject headings: