Columbia subject headings:
Architecture--Germany--Hamburg--History--20th century--Gudiebiikas.
Architecture--Germany--Hamburg--History--20th century--Guidebooks.
Hamburg (Germany)--Buildings, structures, etc.--Guidebooks.
Harvard subject headings:
Architecture--Germany--Hamburg--20th century--Gudiebiikas.
Architecture--Germany--Hamburg--20th century--Guidebooks.
Hamburg (Germany)--Buildings, structures, etc.--Guidebooks.
Princeton subject headings:
Architecture--Germany--Hamburg--20th century--Guidebooks.
Guidebooks.
Hamburg (Germany)--Buildings, structures, etc.--Guidebooks.