Columbia subject headings:
Ballet dancers--Biography.
Ballet dancing--History--20th century.
Dance--History--20th century.
Dancers--Biography.
Harvard subject headings:
Ballet dancers--Biography
Ballet dancing--History--20th century.
Dance--History--20th century.
Dancers--Biography
Princeton subject headings:
Ballet dancers--Biography.
Ballet dancing--History--20th century.
Dance--History--20th century.
Dancers--Biography.