Columbia subject headings:
Cerdá, Ildefonso, 1815-1876.
City planning--Spain--Barcelona--History--19th century.
Eixample (Barcelona, Spain)--History.
Harvard subject headings:
Cerdá, Ildefonso, 1815-1876.
City planning--Spain--Barcelona--History--19th century.
Eixample (Barcelona, Spain)--History.
Princeton subject headings:
Cerdá, Ildefonso, 1815-1876--Criticism and interpretation.
City planning--Spain--Barcelona--History--19th century.
City planning--Spain--Catalonia--History--19th century.
Eixample (Barcelona, Spain)