Primary Sources
- Adderley, Herb, Dave Robinson, and Royce Boyles. Lombardi’s Left Side. Olathe, KS: Ascend Books, 2012.
- Gazette, Green Bay Press. “Former Packers Player Herb Adderley.” YouTube. November 30, 2012. Accessed November 29, 2018. https://www.youtube.com/watch?v=xS4ZKESrBII&t=4s.
- Gazette, Green Bay Press. “Former Packers Player Dave Robinson.” YouTube. November 30, 2012. Accessed November 29, 2018. https://www.youtube.com/watch?v=I-dSKT70KJg.
- “Penn State Integrates Gator Bowl.” The Pittsburgh Courier(Pittsburgh, Pennsylvania), December 30, 1961. Accessed November 15, 2018. https://www.newspapers.com/image/40274733.
- Davis, Willie, Jim Martyka, and Andrea Erickson. Davis. Closing the Gap: Lombardi, the Packers Dynasty, and the Pursuit of Excellence. Chicago, IL: Triumph Books, 2012.
- “The Milwaukee Sentinel.” Google News -. Accessed December 03, 2018. https://news.google.com/newspapers?nid=1368&dat=19601102&id=U6YVAAAAIBAJ&sjid=rg8EAAAAIBAJ&pg=6018,827337.
- “Em Tunnell Packers’ Pastor.” Newspapers.com. Accessed December 03, 2018. https://www.newspapers.com/clip/14513723/em_tunnell_packers_pastor/.
- “Green Bay Packers Respect Defensive Back Em Tunnell.” Newspapers.com. Accessed December 04, 2018. https://www.newspapers.com/clip/14504564/green_bay_packers_respect_defensive/.
- “Tunnell 1942 Broken Neck.” Newspapers.com. Accessed December 04, 2018. https://www.newspapers.com/clip/6776297/tunnell_1942_broken_neck/.
- “Tunnell Takes Coaching Post.” Newspapers.com. Accessed December 04, 2018. https://www.newspapers.com/clip/14508106/tunnell_takes_coaching_post/.
- Press-Gazette, Richard Ryman -. “Black Players on Green Bay Packers’ 1960s Championship Teams Lauded, but Faced Discrimination.” Press Gazette Media. August 06, 2018. Accessed December 05, 2018. https://www.greenbaypressgazette.com/story/news/2018/08/02/black-packers-players-1960-s-faced-discrimination-green-bay-lombardi-housing-racism/774591002/
Secondary Sources
- “Bob Mann Endured for His Opportunity.” Packers.com, the Official Website of the Green Bay Packers. Accessed November 20, 2018.
- Brown, Clifton. “Herb Adderley’s Book Shines Negative Light on Tom Landry.” Sporting News. October 13, 2012. Accessed November 29, 2018. http://www.sportingnews.com/us/nfl-news/4268803-herb-adderley-stats-book-biography-tom-landry-lombardis-left-side.
- “History: Emlen Tunnell, an Unsung Hero.” Compass. Accessed December 04, 2018. http://coastguard.dodlive.mil/2011/02/history-emlen-tunnell-an-unsung-hero/.
- “”I Could Make Tackles until I’m 50. Your Body May Go, but Your Heart Doesn’t.”” Pro Football Hall of Fame. Accessed December 04, 2018. https://www.profootballhof.com/players/emlen-tunnell/biography/.
- “Emlen Tunnell.” Portraits of Delaware County. Accessed December 04, 2018. http://delcoportraits.blogspot.com/2017/05/emlen-tunnell.html.
- Pennington, Bill. “Emlen Tunnell: The Giants’ Greatest Packer.” The New York Times. January 14, 2012. Accessed December 04, 2018. https://www.nytimes.com/2012/01/15/sports/football/emlen-tunnell-the-giants-greatest-packer.html?_r=2&scp=1&sq=emlen tunnell&st=Search.
Photograph Sources
- Bob Mann Football Card – https://packerspastperfect.wordpress.com/2018/04/08/bob-mann/
- Emlen Tunnell Football Card – http://boblemke.blogspot.com/2012/06/i-always-liked-emlen-tunnell-part-1.html
- Herb Adderley Football Card – https://www.footballcardgallery.com/1964_Philadelphia/71/Herb_Adderley/
- Dave Robinson Football Card – https://www.footballcardgallery.com/1967_Philadelphia/80/Dave_Robinson/
- Willie Davis Football Card – https://www.footballcardgallery.com/1965_Philadelphia/73/Willie_Davis/
- 1966 Team Photo – http://archive.jsonline.com/newswatch/367709981.html