筛选: Committee chair name sim Harbutt, Fraser J, Emory University 删除限定条件 Committee chair name sim: Harbutt, Fraser J, Emory University Committee Roark, James, Emory University 删除限定条件 Committee: Roark, James, Emory University Keyword Turner 删除限定条件 Keyword: Turner Research Field History, United States 删除限定条件 Research Field: History, United States