Autor: Underwood & Underwood
Título: Altar with K eagle in black robe at a meeting of nearly 30,000 Ku Klux Klan members from Chicago and northern Illinois.
Data: circa 1920
Origem: United States Library of Congress's Prints and Photographs division under the digital ID cph.3b12355.
Fonte: https://commons.wikimedia.org/wiki/File:KKK_night_rally_in_Chicago_c1920_cph.3b12355.jpg
Licença: Domínio Público
08-08-1925