Columbia subject headings:
Architecture in literature.
Architecture--Spain--Madrid--History--20th century.
Civilization, Modern, in literature.
Madrid (Spain)--In literature.
Spanish literature--20th century--History and criticism.
Harvard subject headings:
Architecture and society--Spain.
Architecture--Spain--History--20th century
Architecture--Spain--Madrid--History--20th century.
Civilization, Modern, in literature.
Madrid (Spain)--In literature--20th century.
Spanish literature--20th century--History and criticism
Princeton subject headings:
Architects--Spain--Madrid--20th century.
Architecture--Spain--20th century.
Civilization, Modern, in literature.
Madrid (Spain)--In literature--20th century.
Spanish literature--20th century--History and criticism.