'Diminishing returns in modern life', Harpers
Tags: 1930; 1930-4-1; 1930s; Adams, James Truslow; City and town life; Cost and standard of living; Democracy; Diminishing returns; Economics; Quality of life; Social sciences
'Molten steel', Harpers
Tags: 1930; 1930-4-1; 1930s; C.J. Freund; Chemistry; Freund, C. J.; Iron and steel workers; Steel foundries; United States
atom, dcmes-xml, json, omeka-xml, rss2
