Columbia subject headings:
African Americans--History--To 1863--Historiography.
African Americans--History--To 1863.
Slavery--United States--Historiography.
Slavery--United States--History.
Southern States--History--1775-1865--Historiography.
Southern States--History--1775-1865.
Harvard subject headings:
African Americans--History--To 1863
African Americans--History--To 1863--Historiography.
Slavery--United States--Historiography
Slavery--United States--History
Southern States--History--1775-1865--Historiography.
Southern States--History--1775-1865.
Princeton subject headings:
African Americans--History--To 1863--Historiography.
African Americans--History--To 1863.
Slavery--United States--Historiography.
Slavery--United States--History.
Southern States--History--1775-1865--Historiography.
Southern States--History--1775-1865.