@Misc{BVPH2003001581, title = "El campe\'{o}n del magisterio : peri\'{o}dico de primera ense\~{n}anza [Recurso electr\'{o}nico]", publisher = "[S.l. : s.n.]", editor = "s.n.]", URL = "https://prensahistorica.mcu.es/es/consulta/registro.do?id=1581", year = "1900", }