Episode 30 is the first part of the history of Denbigh Asylum (later known as the North Wales Hospital) in Denbighshire, Wales, UK, from approximately 1842-1905.
Most information for this episode was drawn from the book _The North Wales Hospital: Denbigh (1842-1995)_ by Clwyd Wynne. This and all other sources are listed in the transcript of this episode.