Columbia subject headings:
Bon Pastor (Barcelona, Spain)--History--20th century.
Bon Pastor (Barcelona, Spain)--History--21st century.
Slums--Spain--Barcelona--History--20th century.
Slums--Spain--Barcelona--History--21st century.
Harvard subject headings:
Bon Pastor (Barcelona, Spain)--History--20th century.
Bon Pastor (Barcelona, Spain)--History--21st century.
Slums--Spain--Barcelona--History--20th century.
Slums--Spain--Barcelona--History--21st century.
Princeton subject headings:
Bon Pastor (Barcelona, Spain)--History--20th century.
Bon Pastor (Barcelona, Spain)--History--21st century.
Slums--Spain--Barcelona--History--20th century.
Slums--Spain--Barcelona--History--21st century.