@book{47538,
	author = {Menéndez Pelayo, Marcelino and Bonilla y San Martín, Adolfo},
	title = {Historia de la poesía castellana en la edad media},
	publisher = {V. Suárez},
	year = {1911-16.},
	series = {Obras completas},
	address = {Madrid},
	note = {Vol. 1 has date: 1911-1913.}
}