Emma de la Barra
AKA: César DuayenBirthday: 1860-01-01
Died: 1947-04-05
Birthplace: Rosario, Argentina
Emma de la Barra (born in Rosario, Santa Fe in 1860 - died in Buenos Aires, 1947), known by the pseudonym César Duayen, used in her literary work, was an Argentine writer.