Columbia subject headings:
Abolitionists--Southern Cone of South America--History.
Enslaved persons--Emancipation--Southern Cone of South America.
Racism--Southern Cone of South America--History.
Slavery--Southern Cone of South America.
Harvard subject headings:
Racism--Southern Cone of South America--History.
Slavery--Southern Cone of South America.
Slaves--Emancipation--Southern Cone of South America.
Princeton subject headings:
Racism--Southern Cone of South America--History.
Slavery--Southern Cone of South America.
Slaves--Emancipation--Southern Cone of South America.