筛选: Committee Cornell, Vincent/Joseph, Emory University 删除限定条件 Committee: Cornell, Vincent/Joseph, Emory University Committee Stewart, Dianne M, Emory University 删除限定条件 Committee: Stewart, Dianne M, Emory University Keyword Appalachia 删除限定条件 Keyword: Appalachia Keyword identity 删除限定条件 Keyword: identity