Migration: African American Migration to Waterloo in Early 20th Century: The Formation of Black Triangle in Waterloo, Iowa

African American History in the United States (National Archive)
The Great Migration (National Archive)
The Great Migration (History.com) 
Migrations and the Black Experience (National Archive) 
Black history Milestones: Timeline (History.com)
Segregation in Black Hawk County

African American Migration History to Waterloo in the Early 20th Century (1901-1920 | 1921-1930)