And the cloister was opened to the century: Pedro Zulen and the Bibliographic Bulletin of the Library of San Marcos (1923-1924) . Letras [Internet]. 2006 Dec. 9 [cited 2026 Sep. 11];77(111-112):p. 125-149. Available from: https://revistaletras.unmsm.edu.pe/index.php/le/article/view/9