de Beer, Sir Gavin Rylands Correspondence between Haldane and Sir Gavin de Beer regarding de Beer's preface to the 1958 Oxford World's Classics edition of <i>On the Origin of Species</i> by Charles Darwin. Includes a handwritten draft and typewritten copy of Haldane's letter to de Beer and a typescript copy of de Beer's preface with corrections made by Haldane in pen. Jan-Feb 1950