Robots of Westinghouse: 1924 - Today by Scott Schaut | Goodreads
Elektro the Moto-Man Had the Biggest Brain at the 1939 World's Fair - IEEE Spectrum
Electro "the Moto-Man" from Westinghouse - The Old Robots Web Site
Jibo - Robots in History: Elektro (1939) was built by the Westinghouse Electric Corporation, and could walk by voice command, speak about 700 words, use a record player, blow up balloons, smoke
Electro the Smoking Robot at the 1939 New York World's Fair - YouTube
Elektro turns 75
The History of Elektro of Westinghouse - History-Computer
Elektro, the Smoking Robot of 1937 – Steve Murch
The Sensational Return of a Smoking, Walking, Talking World's Fair Robot - Atlas Obscura
Elektro the Robot | Westinghouse, Westinghouse electric, The buckeye state
Elektro: 1939 smoking robot saved from oblivion - CNET