Columbia subject headings:
Catedral de Nuestra Senõra de la Almudena (Madrid, Spain)
Christian art and symbolism--Spain--Madrid.
Mosaics--Spain--Madrid.
Harvard subject headings:
Catedral de Nuestra Senõra de la Almudena (Madrid, Spain)
Christian art and symbolism--Spain--Madrid.
Mosaics--Spain--Madrid.
Princeton subject headings: