WEB DuBois.

http://pmeaye.tripod.com/kingondubois.pdf

http://www.thekingcenter.org/archive/theme/59126

http://scua.library.umass.edu/duboisopedia/doku.php?id=about:king_martin_luther

https://www.questia.com/library/journal/1G1-442906438/honoring-dr-du-bois-martin-luther-king-s-most-radical

http://links.org.au/node/3674

https://www.carnegiehall.org/BlogPost.aspx?id=4294984027

http://bobbyriverstv.blogspot.com/2014/01/dr-king-on-tonight-show.html

http://www.gettyimages.com/detail/news-photo/view-of-american-civil-rights-leader-dr-martin-luther-king-news-photo/156039890#view-of-american-civil-rights-leader-dr-martin-luther-king-jr-as-he-picture-id156039890

http://www.smithsonianmag.com/smithsonian-institution/rare-collection-color-photographs-depicts-martin-luther-king-chicago-freedom-movement-180952248/

https://janos.nyc/2015/02/23/today-in-nyc-history-mlks-last-speech-in-new-york-1968/