'Detroit', Harpers
Tags: 1930; 1930-12-1; 1930s; Automobile travel; Description and travel; Detroit; Detroit (Mich.); Duffus, R. L. (Robert Luther); Engineering; Mechanical Engineering; Michigan; Population; Social classes; Social life and customs
'Otherworld', Harpers
Tags: 1930; 1930-12-1; 1930s; Johnson, Geoffrey; Other
'The three R�s on a mountain top', Harpers
Tags: 1930; 1930-12-1; 1930s; Americans; Bolivia; Engineering; Home schooling; Mining and Explosives; Mining camps; Overbeck, Alicia O�Reardon; Production
atom, dcmes-xml, json, omeka-xml, rss2
