Columbia subject headings:
Architecture--Conservation and restoration--Poland--Gdańsk--Congresses.
City planning--Poland--Gdańsk--Congresses.
Gdańsk (Poland)--Buildings, structures, etc.--Congresses.
Harvard subject headings:
Princeton subject headings:
Architecture--Poland--Gdańsk--Conservation and restoration--Congresses.
City planning--Poland--Gdańsk--Congresses.
Gdańsk (Poland)--Buildings, structures, etc.--Congresses.