Columbia subject headings:
Civilization, Medieval--Periodicals.
Iceland--Civilization--Periodicals.
Scandinavia--Civilization--Periodicals.
Harvard subject headings:
Civilization, Medieval--Periodicals
Iceland--Civilization--Periodicals.
Scandinavia--Civilization--Periodicals.
Princeton subject headings:
Civilization, Medieval--Periodicals.
Iceland--Civilization--Periodicals.
Periodicals.
Scandinavia--Civilization--Periodicals.