Columbia subject headings:
Ballester, José Manuel--Exhibitions.
Civil engineering--Pictorial works--Exhibitions.
Civil engineering--Spain--Pictorial works--Exhibitions.
Ferrovial (Firm)--Exhibitions.
Infrastructure (Economics)--Pictorial works--Exhibitions.
Infrastructure (Economics)--Spain--Pictorial works--Exhibitions.
Transportation--Pictorial works--Exhibitions.
Transportation--Spain--Pictorial works--Exhibitions.
Harvard subject headings:
Ballester, José Manuel--Exhibitions.
Civil engineering--Pictorial works--Exhibitions.
Civil engineering--Spain--Pictorial works--Exhibitions.
Ferrovial (Firm)--Exhibitions.
Infrastructure (Economics)--Pictorial works--Exhibitions.
Infrastructure (Economics)--Spain--Pictorial works--Exhibitions.
Transportation--Pictorial works--Exhibitions.
Transportation--Spain--Pictorial works--Exhibitions.
Princeton subject headings:
Ballester, José Manuel--Exhibitions.
Civil engineering--Pictorial works--Exhibitions.
Civil engineering--Spain--Pictorial works--Exhibitions.
Ferrovial (Firm)--Exhibitions.
Infrastructure (Economics)--Pictorial works--Exhibitions.
Infrastructure (Economics)--Spain--Pictorial works--Exhibitions.
Transportation--Pictorial works--Exhibitions.
Transportation--Spain--Pictorial works--Exhibitions.