Columbia subject headings:
Cerdá, Ildefonso, 1815-1876--Catalogs.
City planning--Spain--Barcelona--Catalogs.
City planning.
Urbanization--Spain--Barcelona--Catalogs.
Harvard subject headings:
Cerdá, Ildefonso, 1815-1876--Exhibitions.
City planning
City planning--Spain--Barcelona--Exhibitions.
Urbanization--Spain--Barcelona--Exhibitions.
Princeton subject headings:
Cerdà, Ildefonso, 1816-1876--Exhibitions.
City planning--Spain--Barcelona--History--19th century--Sources--Exhibitions.
Urbanization--Spain--Barcelona--Exhibitions.