BBC4 Saturday Drama
http://http://www.bbc.co.uk/programmes/b00sh472
Audio recording of the play, free to stream.
Youtube recording of 1982 BBC Broadcast
http://www.youtube.com/watch?v=Vukp3EFVweQ
Excellent recording of a theatrical production of the play.
J.B. Priestley
http://www.jbpriestley.co.uk/JBP/Home.html
J.B. Priestley's official website. A good resource for biographical information.
BBC GCSE Bitesize J.B. Priestley Bio
Short summation of Priestley's political views.