Columbia subject headings:
Harvard subject headings:
Byzantine Empire--Relations--Scandinavia--Congresses.
Byzantine antiquities--Scandinavia--Congresses.
Islamic antiquities--Scandinavia--Congresses.
Scandinavia--Antiquities--Congresses.
Scandinavia--Civilization--Byzantine influences--Congresses.
Scandinavia--Relations--Byzantine Empire--Congresses.
Princeton subject headings:
Byzantine Empire--Relations--Scandinavia--Congresses.
Islamic Empire--Relations--Scandinavia--Congresses.
Scandinavia--Civilization--Byzantine influences--Congresses.
Scandinavia--Civilization--Islamic influences--Congresses.
Scandinavia--Relations--Byzantine Empire--Congresses.
Scandinavia--Relations--Islamic Empire--Congresses.