8 6x6 triacetate negatives taken by Annemarie Heinrich of the filming of "Canción de cuna" by Gregorio Martínez Sierra. Cast: Catalina Bárcena, María Duval, etc. Scenography by Gori Muñoz.
"Original material belongs to the Director of the Fundación Simón Rodríguez at Echeverría 2336 Apartment 5D, Ciudad de Buenos Aires (CABA), Argentina.".