@Misc{BVMC:813618, author = {Valera, Juan}, title = {Carta de Juan Valera a Marcelino Menéndez Pelayo. 22 marzo 1891}, url = {https://www.cervantesvirtual.com/obra/carta-de-juan-valera-a-marcelino-menendez-pelayo-22-marzo-1891-813618} }