Columbia subject headings:
Harvard subject headings:
Music--Social aspects
Piano music--Madeira Islands--Madiera--History and criticism.
Piano music--Madeira Islands--Madiera.
Piano--Madeira Islands--Madiera--History.
Princeton subject headings:
Music--Social aspects--Madeira Islands--Madeira.
Piano music--Madeira Islands--Madeira--History and criticism.
Piano--Madeira Islands--Madeira--History.