The treatment of the insane without mechanical restraints.

As early as 1839, Conolly treated the insane without any form of restraint at Hanwell Asylum, now St. Bernard’s Hospital. Facsimile reprint with introduction by R. Hunter and I. Macalpine, London, Dawsons, 1973. Digital facsimile of the 1856 edition from the Internet Archive at this link.