Columbia subject headings:
Ballou, Esther Williamson, 1915-1973--Bibliography.
Ballou, Esther Williamson, 1915-1973--Discography.
Music--Bio-bibliography.
Harvard subject headings:
Ballou, Esther Williamson, 1915-1973--Bibliography.
Ballou, Esther Williamson, 1915-1973--Discography.
Music--Bio-bibliography
Princeton subject headings:
Ballou, Esther Williamson, 1915-1973--Bibliography.
Ballou, Esther Williamson, 1915-1973--Discography.
Music--Bio-bibliography.