1. Case of the frozen addicts;Langston,2014
2. Parkinson’s disease;Lees;Lancet,2009
3. James Parkinson: the man behind the shaking palsy;Lewis;J Park Dis,2012
4. Sacks O. Awakenings. Picador; 2012. ISBN 0330523678. Oliver Sacks’ retelling of his experiences treating patients with postencephilitic parkinsonism using levodopa.
5. An essay on the shaking palsy;Parkinson,1817