Columbia subject headings:
Songs with instrumental ensemble--United States--20th century--Bibliography.
Vocal duets with instrumental ensemble--United States--20th century--Bibliography.
Harvard subject headings:
Songs with instrumental ensemble--20th century--Bibliography.
Songs with instrumental ensemble--United States--20th century--Bibliography.
Vocal duets with instrumental ensemble--20th century--Bibliography.
Vocal duets with instrumental ensemble--Bibliography.
Princeton subject headings:
Songs with instrumental ensemble--United States--20th century--Bibliography.
Vocal duets with instrumental ensemble--United States--20th century--Bibliography.