Columbia subject headings:
African Americans--Southern States--History--Congresses.
Southern States--History--1865-1877--Congresses.
Southern States--Race relations--Congresses.
Harvard subject headings:
African Americans--Southern States--History--Congresses.
Southern States--History--1865-1877--Congresses.
Southern States--History--1865-1951--Congresses.
Southern States--Race relations--Congresses.
Princeton subject headings:
African Americans--Southern States--History--Congresses.
Southern States--History--1865-1951--Congresses.
Southern States--Race relations--Congresses.