The Secret Listeners : interviews with refugee radio operators and other wartime refugees

Publicado em: London : Pascal Theatre Company, 2013

Localização: The Wiener Library for the Study of the Holocaust & Genocide (London)

Strange intelligence : from Dunkirk to Nuremberg / S. John Peskett.

Por Peskett, S. John
Publicado em: London : Hale, 1981

Localização: The Wiener Library for the Study of the Holocaust & Genocide (London)

The M room : secret listeners who bugged the Nazis in WW2 / Helen Fry.

Por Fry, Helen
Publicado em: London : Helen Fry, 2012

Localização: The Wiener Library for the Study of the Holocaust & Genocide (London)

The Enigma Symposium 1997 / Hugh Skillen.

Por Skillen, Hugh
Publicado em: Pinner : Privately printed, 1997

Localização: The Wiener Library for the Study of the Holocaust & Genocide (London)