Columbia subject headings:
Architecture--Designs and plans.
Architecture--Russia (Federation)--Saint Petersburg.
Architecture--Soviet Union.
Harvard subject headings:
Architecture--Designs and plans
Architecture--Russia (Federation)--Petrograd.
Architecture--Russia (Federation)--Saint Petersburg
Architecture--Soviet Union
Princeton subject headings:
Architecture--Designs and plans.
Architecture--Russia (Federation)--Saint Petersburg.
Architecture--Russian S.F.S.R.--Petrograd.
Architecture--Soviet Union.