Columbia subject headings:
Architecture--France--Lyon--History--20th century.
City planning--France--Lyon--History--20th century.
Lyon (France)--Buildings, structures, etc.--History--20th century.
Harvard subject headings:
Architecture--France--Lyon--20th century.
Architecture--France--Lyon--History--20th century.
City planning--France--Lyon--History--20th century.
Lyon (France)--Buildings, structures, etc.
Princeton subject headings:
Architecture--France--Lyon--History.
City planning--France--Lyon--History--20th century.
Lyon (France)--Buildings, structures, etc.--History--20th century.