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2. Arrington, B. T. (2017). Industry and economy during the US civil war. National Park Service. April 23, 2017. https://www.nps.gov/articles/industry-and-economy-during-the-civil-war-htm
3. Bishir, C. (2013). Crafting lives: African-American Artisans in New Bern. University of North Carolina Press.
4. Bix, A. S. (2013). Girls coming to tech! A history of American Engineering education for women. The MIT Press.
5. Blackmon, D. A. (2008). Slavery by another name: The re-enslavement of African Americans from the civil war to World War II. Anchor Books.