Copy letter from John Rose Bradford, to Georges Dreyer, [Fellow of the Royal Society] and J Sholto C Douglas States the title of their paper 'The Velocity of Reaction in the "Absorption" of Specific Agglutinins by Bacteria, and in the "Adsorption" of Agglutinins, Trypsin, and Sulphuric Acid by Animal Charcoal', [presumably concerning publication]. 25 November 1909