Columbia subject headings:
Fados--Portugal--Coimbra--History and criticism.
Folk music--Portugal--Coimbra--History and criticism.
Music--Social aspects--Portugal--Coimbra.
Harvard subject headings:
Fados--Portugal--Coimbra--History and criticism.
Folk music--Portugal--Coimbra--History and criticism.
Music--Social aspects--Portugal--Coimbra.
Princeton subject headings: