@Misc{BDCM20214614299, title = "Carta, 1971 feb. 21, Ann Arbor, a Mar\'{\i}a Brey Mari\~{n}o [Manuscrito]", author = "Durand, Jos\'{e}", publisher = "Ann Arbor", URL = "https://bibliotecavirtualmadrid.comunidad.madrid/bvmadrid_publicacion/es/consulta/registro.do?id=501187", year = "1971", }