Letter from Howard Walter Florey to James Watt, National Heart Institute, Bethesda, Maryland Thanks for suggestion that he spend a sabbatical year at the Institute - obtained leave of absence to go, with two colleagues, to the National University in Canberra - comments on this - project has been called off - would like to come to Institute but does not think he should be away for very long - asks if he may write later if he sees a possibility of coming. 30 March 1957