Columbia subject headings:
Harvard subject headings:
Fortification--Russia (Federation)--Solovetski Islands.
Russia (Federation)--Antiquities.
Solovetski Islands (Russia)--Antiquities.
Solovetski Islands (Russia)--Description and travel.
Solovet͡skiĭ monastyrʹ.
Princeton subject headings:
Solovet︠s︡kiĭ monastyrʹ--History.