LaRoche, C. J. (2014). Free Black communities and the Underground Railroad: The geography of resistance. University of Illinois Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)LaRoche, Cheryl Janifer. Free Black Communities and the Underground Railroad: The Geography of Resistance. Urbana, [Illinois]: University of Illinois Press, 2014.
MLA -ийн эшлэл (9 дэх хэвлэлт)LaRoche, Cheryl Janifer. Free Black Communities and the Underground Railroad: The Geography of Resistance. University of Illinois Press, 2014.
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