An interesting radio program "Beyond the Threshold" that was first aired by BBC Radio 4 in 1982 to mark the 100th anniversary of the SPR has been uploaded to YouTube: Beyond the Threshold [EXTERNAL LINK].
An interesting radio program "Beyond the Threshold" that was first aired by BBC Radio 4 in 1982 to mark the 100th anniversary of the SPR has been uploaded to YouTube: Beyond the Threshold [EXTERNAL LINK].