'REPORTER AT LARGE The Crimson Menace', The New Yorker
Tags: 1930; 1930-5-17; 1930s; Communism; Engineering; farming machinery; Markey, Morris; Mechanical Engineering; trade
'A Day at the Zoo', Colliers Weekly
Tags: 1930; 1930-5-17; 1930s; Animals; Biology; Chimps; Ditmars, Raymond L.; Fennec; Giraffes; Polar Bears; Tiger; Zoo; Zoology
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