1. Of the imagination, as a cause and as a cure of disorders of the body: exemplified by fictitious tractors, and epidemical convulsions ... : read to the Literary and Philosophical Society of Bath Author(s): Haygarth, John, 1740-1827 Publication: Bath : Printed by R. Cruttwell, and sold by Cadell and Davies, Strand, London 1800 Subject(s): ImaginationMental DisordersPerkins, Benjamin Douglas, 1774-1810.Perkins, Elisha, 1741-1799.