International Association of Machinists and Aerospace Workers

IAMAW Local Lodge 37 was chartered on July 11, 1899, and dissolved in the late 1980s. Its records relate to the day-to-day activities of a major New Orleans union and its relationship to the International headquarters, and include constitutions, bylaws, minutes, correspondence, agreement reports, financial records, membership cards and artifacts.

International Association of Machinists Local Lodge 89 existed in Cheyenne, Wyoming during the late 19th and into the twentieth century. The records includes minutes, financial records, correspondence, rolls and dues lists, administrative records of the Ladies Auxiliary, railroad maintenance booklets, and other general administrative records and items.