1. An essay on the shaking palsy;Parkinson, J.,1817
2. De l'insanite dans la paralysie agitante;Ball, B.;Encephale
3. Parkinsonism: onset, progression and mortality;Neurology (Minneap),1967
4. Psychiatric disturbances in Parkinson's disease;Celesia, G.G.; Wanamaker, W.M.;Dis Nerv System,1972
5. Dementia in Parkinson's Disease;Martilla, R.J.; Rinne, V.K.;Acta Neurol Scand,1976