NCB published her first volume of French verse, Quelques portraits-sonnets de femmes
, illustrated with four portraits of women by her mother, Alice Pike Barney
NCB, at the age of eighty-seven, published her last volume of memoirs and sketches, Traits et portraits, suivi de L'amour défendu
, with Mercure de France
1:00 am, 2 February 1972
NCB, ninety-five years old, died in bed at the Hotel Meurice in Paris
, having gone into a coma three hours earlier.