'Sold out to the future', Harpers
Tags: 1930s; 1932; 1932-7-1; Civilization; Economic policy; Economics; Helton, Roy Addison; Social sciences; Time perspective; To 1933; United States
'Vacuum cleaners', Harpers
Tags: 1930s; 1932; 1932-7-1; Engineering; Mechanical Engineering; Thompson, Sylvia
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