Columbia subject headings:
Harvard subject headings:
Iceland--Relations--Ireland.
Iceland--Relations--Scotland--Orkney.
Ireland--Relations--Iceland.
Old Norse literature--Celtic influences.
Orkney (Scotland)--Relations--Iceland.
Sagas--History and criticism
Princeton subject headings:
Iceland--Relations--Ireland.
Iceland--Relations--Scotland--Orkney.
Ireland--Relations--Iceland.
Old Norse literature--Celtic influences.
Orkney (Scotland)--Relations--Iceland.
Sagas--History and criticism.