Columbia subject headings:
Harvard subject headings:
Catalan language--Dialects--Spain--Balearic Islands.
Catalan language--Dialects--Spain--Valencia.
Catalan language.
Catalan-speaking regions--Civilization.
Catalan-speaking regions--Economic conditions.
Princeton subject headings:
Catalan language--Dialects--Spain--Balearic Islands.
Catalan language--Dialects--Spain--Valencia.
Catalan-speaking regions--Civilization.
Catalan-speaking regions--Economic conditions.