Columbia subject headings:
Theater architecture--Spain--Zaragoza--19th century.
Theater architecture--Spain--Zaragoza--20th century.
Zaragoza (Spain)--Buildings, structures, etc.
Harvard subject headings:
Theater architecture--Spain--Zaragoza--19th century.
Theater architecture--Spain--Zaragoza--20th century.
Zaragoza (Spain)--Buildings, structures, etc.
Princeton subject headings:
Theater architecture--Spain--Zaragoza--19th century.
Theater architecture--Spain--Zaragoza--20th century.