Letter from E H Kettle, British Postgraduate Medical School, University of London, Hammersmith Hospital, Duncane Road, Hammersmith to A H T Robb-Smith Kettle asks Robb-Smith to send him 'slides of the series of cases of periarteritis nodosa', and 'slides of the cases of the funny reaction in the spleens of the [stearyl] type', both of which have suddenly become interesting to him. 4 June 1936