Columbia subject headings:
Gotland (Sweden)--Antiquities.
Northmen--Sweden--Gotland.
Tools--Sweden--Gotland.
Vikings.
Harvard subject headings:
Gotland (Sweden)--Antiquities.
Mästermyr site (Sweden)
Sweden--Antiquities.
Vikings.
Princeton subject headings:
Gotland (Sweden)--Antiquities.
Mästermyr Site (Sweden)
Sweden--Antiquities.
Vikings--Sweden--Gotland.