- McLean County Historical Society, Bloomington, Ill
- University of Illinois at Urbana-Champaign, University Library
This cartoon depicts a 1916 tractor contest and demonstration. Gasoline tractors attracted wide interest in McLean County before World War I. Demonstrations and tractor contests were used to promote them. How we learn about communities; Communities and Geography; American Communities in History; World War I. 15 Economics; 16 History; 18 Social systems.
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