'Rainbow over the farm', Harpers
Tags: 1930s; 1939; 1939-12-1; Agricultural industries; Burlingame, Roger; Engineering; Farm produce; Industrial applications; Production; United States
'Box-car kid', Harpers
Tags: 1930s; 1939; 1939-12-1; Engineering; Mechanical Engineering; Whiteley, Mary N. S.
atom, dcmes-xml, json, omeka-xml, rss2
