Letter from Edward Gurr, Michrome Laboratories, Upper Richmond Road West, London to Howard Walter Florey Has just finished script of book, 'Staining, practical and theoretical (animal tissues)' - will be published in 1962 - asks if Florey would contribute foreword - does not expect final answer until Florey sees galley proofs - is enclosing part of preface and list of contents - Professor MacConaill wrote preface to last book. 14 March 1961