Brooke, J. L. (2019). "There Is a North": Fugitive Slaves, Political Crisis, and Cultural Transformation in the Coming of the Civil War. University of Massachusetts Press.
Tohutoru Kātū Chicago (17th ed.)Brooke, John L. "There Is a North": Fugitive Slaves, Political Crisis, and Cultural Transformation in the Coming of the Civil War. Amherst: University of Massachusetts Press, 2019.
Tohutoro MLA (9th ed.)Brooke, John L. "There Is a North": Fugitive Slaves, Political Crisis, and Cultural Transformation in the Coming of the Civil War. University of Massachusetts Press, 2019.
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