Columbia subject headings:
Art nouveau (Architecture)--Spain--Barcelona.
Barcelona (Spain)--Buildings, structures, etc.
Rubió i Bellvé, Joan.
Harvard subject headings:
Architects--Spain.
Architecture--Spain--Barcelona--20th century.
Rubió i Bellver, Joan, 1871-
Princeton subject headings:
Architects--Spain.
Architectuer--Spain--Barcelona--20th century.
Rubio, Hugo José, 1923-