@Misc{BVMC:794304, author = {Valera, Juan}, title = {Carta de Juan Valera a Marcelino Menéndez Pelayo. Madrid, 15 junio 1878}, url = {https://www.cervantesvirtual.com/obra/carta-de-juan-valera-a-marcelino-menendez-pelayo-madrid-15-junio-1878-794304} }