Roberts, Frank The Encyclopaedia of digestive disorders modern practical herbalism for all digestive diseases Frank Roberts. - London Thorsons Publishers 1969 - 168p. ISBN: 7225-0140-4. Subjects--Topical Terms: Encyclopedia and dictionaries Digestive organs - disease - encyclopedia Digestive organs - disease - treatment. Dewey Class. No.: 616.3-008(03) / R65E