The following article is a supplement to the article Turing machine.
Colossus computer - Wikiwand
Turing machine - Wikipedia
50+ Turing Machine Stock Photos, Pictures & Royalty-Free Images - iStock
Music Turing Machine
Is the Antikythera mechanism Turing-complete? - Quora
Turing machine hi-res stock photography and images - Alamy
HNF - Alan Turing (1912-1954)
PDF] Implementation of Recursively Enumerable Languages using Universal Turing Machine in JFLAP
Turing's Cathedral,' by George Dyson - The New York Times