Columbia subject headings:
Authors, French--20th century--Biography--Congresses.
Cocteau, Jean, 1889-1963--Relations with women--Congresses.
Piaf, Edith, 1915-1963--Relations with men--Congresses.
Singers--France--Biography--Congresses.
Harvard subject headings:
Cocteau, Jean, 1889-1963--Friends and associates--Congresses.
Piaf, Edith, 1915-1963--Friends and associates--Congresses.
Princeton subject headings:
Authors, French--20th century--Biography--Congresses.
Cocteau, Jean, 1889-1963--Relations with women--Congresses.
Piaf, Edith, 1915-1963--Relations with men--Congresses.
Singers--France--Biography--Congresses.