Papers Relating to the "Opsonic Index" <p>Consists of:</p> <li>Notes and tables for paper on the "opsonic index" by M Greenwood and J D C White. Paper published in <i>Biometrika</i>, vol 7, pp 505-530.</li> <li>1 letter from Major Greenwood to Karl Pearson on the index problem.</li> <li>1 postcard from Major Greenwood asking Pearson to deal with Wright's letter in <i>The Times</i> to refute statement that men and women cannot work together in a laboratory.</li> 1910