A link to an interesting timeline of broadcasting history in the USA, suggested and provided by Kelsey and Mr Faulk of the North Mountain Institute in Arizona
Interviews with former employees of the Pye Group of Companies
Radioman – The Remarkable Rise and Fall of C.O. Stanley by Mark Frankland ISBN 0 85296 203 7
Setmakers – A History of the Radio and Television Industry by Keith Geddes in collaboration with Gordon Bussey ISBN 0 9517042 0 6
The Story of Pye Wireless by Gordon Bussey
Radio! Radio! By Jonathan Hill ISBN 0 9511448 71
The Pye TVT Story by Richard Ellis ISBN 978-1-898340-17-1
The CO Stanley Collection at the National Science and Media Museum, Bradford, BD1 1NQ
EKCO Sounds – How a Southend Radio Maker Changed the World
By Chris Poole and Peter C Brown ISBN 978-0-9570635-3-2
The EF50, the Tube that Helped to Win the War https://www.dos4ever.com/EF50/EF50.html
The British Vintage Wireless and Television Museum
Private collectors of Pye products and documents
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