Columbia subject headings:
Harvard subject headings:
Architecture--Russia (Federation)--Saint Petersburg--Exhibitions.
Architecture--Sweden--Stockholm--Exhibitions.
City planning--Russia (Federation)--Saint Petersburg--Exhibitions.
City planning--Sweden--Stockholm--Exhibitions.
Princeton subject headings:
Architecture--Russia (Federation)--Saint Petersburg--Exhibitions.
Architecture--Sweden--Stockholm--Exhibitions.
City planning--Russia (Federation)--Saint Petersburg--Exhibitions.
City planning--Sweden--Stockholm--Exhibitions.