On 18 December 1952, H Marshall Chadwell, Assistant Director of the
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Image of memo presented by Clarke, David and Roberts, Andy in their “Out Of The Shadows” (2002) (available on Amazon USA and on Amazon UK) at page 111 (in Chapter 6) of the Piatkus hardback edition.
Discussed by Clarke, David and Roberts, Andy in their “Out Of The Shadows” (2002) (available on Amazon USA and on Amazon UK) at pages 110-111 (in Chapter 6) with image of memo at page 111 of the Piatkus hardback edition.
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