“Marcha nocturna”, un poema de Gabriela Mistral publicado en La Nación de Buenos Aires (1942)

Analysis of manuscripts and edition of the poem “Night March” by Gabriela Mistral, starting from the concept of “units of composition” proposed by Jean Bellemin Noel in the framework of genetic criticism. The article tests a relationship between the original structure of the poem in quatrains constructed with binaries and the call for Latin American union, represented by the friendship between Jose de San Martin and Bernardo O’Higgins. In the same way, the letters between Mistral and Eduardo Mallea, director of the “Arts and Letters” supplement of the La Nacion of Buenos Aires, where Mistral published “Night March”, and Martha Salotti, her intermediary with the Argentine newspaper are studied with the aim of contextualizing the collaboration between the Chilean poet and this publisher.