@Book{BVMC:786613, title = {Carta de C. A. a Rafael Altamira. Madrid, 15 de abril de 1910 }, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2017}, year = {2017}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcxm0f0} }