Index of fingerprints at Scotland Yard, London, c1912, (1935). 'The vast Scotland Yard index that contains more than 250,000 finger-print entries'. The Galton-Henry system of fingerprint classification, published in June 1900, was officially introduced at Scotland Yard, headquarters of the Metropolitan Police Service, in 1901, and quickly became the basis for its criminal-identification records. From "The Silver Jubilee Book - The Story of 25 Eventful Years in Pictures". [Odhams Press Ltd., London, 1935]