Jonathan S Farley. „Edmund Cooper bibliography”(PDF). Arhivat din original(PDF) la . Accesat în . page 4, Short Stories "Brain Child, The : The Saturday Evening Post (as 'The Invisible Boy'); 23 June 1956"; page 11, Filmography "Invisible Boy, The : Brain Child, The: Herman Hoffman; USA; 1957", "O .B.N. in arrivo : Death Watch: part of series ' Racconti di fantascienza di Blasetti, I':Alessandro Blasetti; Italy; 1978"
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Edmund Cooper, Catalogo Vegetti della letteratura fantastica
Jonathan S Farley. „Edmund Cooper bibliography”(PDF). Arhivat din original(PDF) la . Accesat în . page 4, Short Stories "Brain Child, The : The Saturday Evening Post (as 'The Invisible Boy'); 23 June 1956"; page 11, Filmography "Invisible Boy, The : Brain Child, The: Herman Hoffman; USA; 1957", "O .B.N. in arrivo : Death Watch: part of series ' Racconti di fantascienza di Blasetti, I':Alessandro Blasetti; Italy; 1978"