Letter from Howard Walter Florey to Edward Mellanby, Medical Research Council, London Is preparing material for a penicillin number of the British Council's abstract British War Medicine - would Mellanby like a copy to send to Russia or America - Russians do not seem very anxious to hear information - comments on difficulties with American liason on penicillin - anxious to leave the penicillin field once chemistry cleared up. 22 September 1943