Columbia subject headings:
Architecture--Spain--Soria--History--19th century.
Architecture--Spain--Soria--History--20th century.
City planning--Spain--Soria--19th century.
City planning--Spain--Soria--20th century.
Soria (Spain)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Spain--Soria--19th century.
Architecture--Spain--Soria--20th century.
City planning--Spain--Soria--History--19th century.
City planning--Spain--Soria--History--20th century.
Municipal engineering--Spain--Soria--History--19th century.
Municipal engineering--Spain--Soria--History--20th century.
Princeton subject headings:
Architecture--Spain--Soria--19th century.
Architecture--Spain--Soria--20th century.
City planning--Spain--Soria--19th century.
City planning--Spain--Soria--20th century.
Soria (Spain)--Buildings, structures, etc.