The letters of Queen Victoria: A selection from Her Majesty's correspondence between the years 1837 and 1861. Published by authority of His Majesty the King. Edited by Arthur Christopher Benson, M.A. and Viscount Esher, G.C.V.O., K.C.B. In three volumes - Victoria, Reina de Inglaterra (John Murray, Albemarle street, W., 1908)