The National Football League Management Council is a non-profit association of clubs in the National Football League (NFL) that represents its members in negotiations related to the Collective Bargaining Agreement with the NFL Players Association.   It is based in New York City and its chairman is the NFL Executive Vice President of Labor Relations, Harold Henderson.  
- "Arizona Cardinals Football Club, Inc. et al v. Bryant et al". U.S. District Court for the District of Arizona. 2008-08-20. Retrieved 2009-03-13.
- "NFL Collective Bargaining Agreement 2006-2012" (PDF). NFL Players Association. 2006-03-06. Retrieved 2009-03-13.
- "NFL's Harold Henderson Honored During Super Bowl Festivities". News from PR newswire. Toronto, Ont.: The Globe and Mail. 2006-02-04. Retrieved 2009-03-13.
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