Columbia subject headings:
Pskov (Russia)--Antiquities.
Pskov (Russia)--History.
Russia (Federation)--Antiquities.
Harvard subject headings:
Geography, Medieval.
Historic buildings--Russia (Federation)--Pskov.
Historic sites--Russia (Federation)--Pskov.
Pskov (Russia)--Description and travel.
Princeton subject headings:
Pskov (Russia)--Antiquities.
Pskov (Russia)--History.
Russia (Federation)--Antiquities.