This work contains Nash's observation and facts he found to be correct and reliable. After rading through writings of Hering, Dunham, wells, Lippe and all other stalwarts which Nash used in all his practice he says he came to a conclusion of certain symptoms which he found to be more reliable. He has selected all that information from his practice and presents it in this work. This work is considered to be one of the classical works of homeopathy and is also ...