| Unidentified photographer Aerial photograph of Heathrow Airport 1955 Gelatin silver print National Archives Catalogue Reference: BT 219/115, No known copyright restrictions. LL/42970 Available on flickr (January 2011).
Nora Hague (Facebook, 18 March 2019 "That’s the photograph hanging on the wall behind Gen. Jack D. Ripper’s desk in Dr. Strangelove."
Alan Griffiths (18 March 2019) The images are similar but not identical.
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