'The Inventions of Prof. Lucifer G. Butts, A.K.', Colliers Weekly
Tags: 1930s; 1931; 1931-7-18; Design and Invention; Engineering; Goldberg, Rube
'Queen of Beasts', Colliers Weekly
Tags: 1930s; 1931; 1931-7-18; Biology; Cooper, Courtney Ryley; Zoology
'The Black Eagle-II', The New Yorker
Tags: 1930s; 1931; 1931-7-18; Aeronautics and Aerospace; Aviation; Engineering; flyer; Hubert Julian; Markey, Morris
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