The Harvester World: Volume 9, number 2, February 1918 - McCormick - International Harvester Collection - Wisconsin Historical Society Online Collections

The Harvester World: Volume 3, number 7, July 1912 - McCormick - International Harvester Collection - Wisconsin Historical Society Online Collections

The Harvester World: Volume 9, number 2, February 1918 - McCormick - International Harvester Collection - Wisconsin Historical Society Online Collections

May auction catalog - Prag collection est-Falcone collection est-Ken prag collection

The Harvester World: Volume 9, number 2, February 1918 - McCormick - International Harvester Collection - Wisconsin Historical Society Online Collections

Stress and Struggle inside International Harvester, Enterprise & Society

The Harvester World: Volume 9, number 2, February 1918 - McCormick - International Harvester Collection - Wisconsin Historical Society Online Collections

The Harvester World: Volume 9, number 2, February 1918 - McCormick - International Harvester Collection - Wisconsin Historical Society Online Collections

The Harvester World: Volume 17, number 4-5, April-May 1926 - McCormick - International Harvester Collection - Wisconsin Historical Society Online Collections

Midwestern United States - Wikipedia

The Harvester World: Volume 9, number 2, February 1918 - McCormick - International Harvester Collection - Wisconsin Historical Society Online Collections

Whatever Became of International Harvester? - Business History - The American Business History Center

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International Harvester Company Annual Report -- 1917 - McCormick - International Harvester Collection - Wisconsin Historical Society Online Collections

Archives – National International Harvester Collectors Club