Columbia subject headings:
Composers--Argentina--Biography.
Composers--Argentina--Discography.
Singers--Argentina--Biography.
Singers--Argentina--Discography.
Tangos--Discography.
Harvard subject headings:
Composers--Argentina--Biography
Composers--Argentina--Discography.
Singers--Argentina--Biography
Singers--Argentina--Discography.
Tango (Dance)--History
Tangos--Discography.
Tangos--History and criticism
Princeton subject headings:
Composers--Argentina--Biography.
Composers--Argentina--Discography.
Singers--Argentina--Biography.
Singers--Argentina--Discography.
Tangos--Discography.