Columbia subject headings:
Peter, René--Friends and associates.
Proust, Marcel, 1871-1922--Friends and associates.
Harvard subject headings:
Novelists, French--20th century--Biography.
Proust, Marcel, 1871-1922
Princeton subject headings:
Authors, French--20th century--Biography.
Peter, René, 1872---Friends and associates.
Proust, Marcel, 1871-1922.