Letter from Howard Walter Florey to A N Richards, National Research Council, Washington Is glad that some material can be sent for the American Army - has made arrangements with the Army for trials - committee has been appointed to deal with the clinical use of penicillin - local application is being tried in North Africa - discusses clinical results and work being done in Utah - significant advance being made at Peoria on deep fermentation - discusses progress with chemistry - does not think Americans give enough penicillin - discusses this. 5 May 1943