Columbia subject headings:
Altarpieces, Gothic--Spain--Alt Urgell.
Panel painting, Gothic--Spain--Alt Urgell.
Panel painting, Spanish--Spain--Alt Urgell.
Harvard subject headings:
Altarpieces, Gothic--Spain--Alt Urgell Region.
Altarpieces, Spanish--Spain--Alt Urgell Region.
Panel painting, Gothic--Spain--Alt Urgell Region.
Panel painting, Spanish--Spain--Alt Urgell Region.
Princeton subject headings:
Altarpieces, Gothic--Spain--Alt Urgell Region.
Altarpieces, Spanish--Spain--Alt Urgell Region.
Panel painting, Gothic--Spain--Alt Urgell Region.
Panel painting, Spanish--Spain--Alt Urgell Region.