Columbia subject headings:
Barcelona Metropolitan Area (Spain)--Antiquities.
Mosaics, Medieval--Spain--Barcelona Metropolitan Area.
Mosaics, Roman--Spain--Barcelona Metropolitan Area.
Mosaics--Spain--Barcelona Metropolitan Area.
Harvard subject headings:
Barcelona (Spain)--Antiquities.
Mosaics, Medieval--Spain--Barcelona.
Mosaics, Roman--Spain--Barcelona.
Princeton subject headings:
Barcelona metropolitan area, Spain--Antiquities.
Mosaics, Medieval--Spain--Barcelona metropolitan area.
Mosaics, Roman--Spain--Barcelona metropolitan area.
Mosaics--Spain--Barcelona metropolitan area.