America Quotes - Page 169
Meridel Le Sueur (1955). “Crusaders: the radical legacy of Marian and Arthur Le Sueur”, Minnesota Historical Society Pr
"America the Beautiful: The Humanist in the Bathtub" (1947)
Dr. Martin Luther King, Jr. (2013). “The Essential Martin Luther King, Jr.: "I Have a Dream" and Other Great Writings”, p.104, Beacon Press