Columbia subject headings:
Harvard subject headings:
Italy--Relations--Russia--Congresses.
Nicholas II, Emperor of Russia, 1868-1918--Travel--Italy--Racconigi--Congresses.
Racconigi (Italy)--History--Congresses.
Russia--Relations--Italy--Congresses.
Princeton subject headings:
Italy--Relations--Russia--Congresses.
Nicholas II, Emperor of Russia, 1868-1918--Congresses.
Russia--Relations--Italy--Congresses.