Columbia subject headings:
Callas, Maria, 1923-1977.
Singers--Biography.
Stancioff, Nadia.
Harvard subject headings:
Callas, Maria, 1923-1977
Singers--Biography
Sopranos (Singers)--Biography
Stancioff, Nadia.
Women singers--Biography.
Princeton subject headings:
Callas, Maria, 1923-1977.
Singers--Biography.
Stancioff, Nadia.