@Book{BVMC:703677, author = {Altamira, Rafael}, title = {Carta de Rafael Altamira a Archer Milton Huntington. San Esteban de Pravia (Asturias), 31 de agosto de 1912}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2014}, year = {2014}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcv42n4} }