“When I explained the nature of this book to Gilberto Freyre, the stimulator and mentor of applied sociology studies in northern Brazil, he soon realized that we were conducting parallel studies: - the northeast masterfully painted in his work, contrasted with the northeast outlined in these pages." [MENEZES, Djacir. O outro Nordeste: formação social do Nordeste. Rio de Janeiro: Livraria José Olympio Editora, 1937. (Brazilian Documents Collection)]