Columbia subject headings:
Harvard subject headings:
African Americans--Politics and government
African Americans--Suffrage
League of Nations--Liberia.
Liberia--Foreign relations--United States.
Liberia--Politics and government--1871-1944.
Liberia--Politics and government--To 1944.
Slave trade--Liberia.
United States--Foreign relations--Liberia.
Working class--Liberia.
Princeton subject headings:
African Americans--Politics and government.
Labor--Liberia.
League of Nations--Liberia.
Liberia--Foreign relations--United States.
Liberia--Politics and government--1871-1944.
Slave trade--Liberia.
United States--Foreign relations--Liberia.