Columbia subject headings:
Architecture, Modern--20th century.
Architecture--Germany--History--20th century.
Architecture--Germany--Leipzig--History--20th century.
Leipzig (Germany)--Buildings, structures, etc.
Harvard subject headings:
Architecture, Modern--21st century
Architecture--Europe--History--20th century
Architecture--Germany--History--20th century
Architecture--Germany--Leipzig--History.
Architecture--Germany--Leipzig.
City planning--Germany--Leipzig--History--20th century.
Leipzig (Germany)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Modern--20th century.
Architecture--Germany--History--20th century.
Architecture--Germany--Leipzig--History.
Leipzig (Germany)--Buildings, structures, etc.