Columbia subject headings:
City planning--Austria--Vienna--History.
City planning--Hungary--Budapest--History.
City planning--Hungary--Szeged--History.
Ringstrasse (Vienna, Austria)--History.
Streets--Design--History.
Harvard subject headings:
Architecture--Austria--Vienna--History.
Architecture--Hungary--Budapest--History.
Architecture--Hungary--Szeged--History.
Beltways--Austria--Vienna--History.
Beltways--Hungary--Budapest--History.
Beltways--Hungary--Szeged--History.
Budapest (Hungary)--Buildings, structures, etc.
City planning--Austria--Vienna--History.
City planning--Hungary--Budapest--History.
City planning--Hungary--Szeged--History.
Szeged (Hungary)--Buildings, structures, etc.
Vienna (Austria)--Buildings, structures, etc.
Princeton subject headings: