Columbia subject headings:
Architects--Spain--San Sebastián.
Architecture--Spain--San Sebastián--History--19th century.
Architecture--Spain--San Sebastián--History--20th century.
Harvard subject headings:
Architects--Spain--San Sebastián.
Architecture--Spain--San Sebastián--19th century.
Architecture--Spain--San Sebastián--20th century.
San Sebastián (Spain)--Buildings, structures, etc.
Princeton subject headings: