"Sophia de Mello Breyner Andresen" is part of a series of short-films dedicated to relevant personalities of Portuguese arts and literature produced by the company Cultura Filmes (1967–69) with support from the Gulbenkian Foundation.Monteiro, at the time with no references besides having frequented the London School of Film Technique (1963–65), was recommended to Ricardo Malheiro (1909–77), the owner of Cultura Filmes and himself a director of documentary shorts, by Alberto Seixas Santos and António Pedro Vasconcelos.