An Unofficial Guide to Life as a Ref
NFL doesn't expect referee lockout to end soon - NBC Sports
Officiating Development NFL Football Operations
Browns vs. Bengals Referees: How Does Clete Blakeman Impact Week 1's Game?
NFL, referees finalize deal to end lockout, officials will be on field Thursday
How do you become an NFL referee? All you need to know about the lengthy process
Fifth-year referee Scott Novak assigned to Week 2 Saints-Panthers game
NFL Week 2: Referee Adrian Hill assigned to Chiefs vs. Jaguars game - A to Z Sports
This is the unofficial document that's actually guiding NFL refs
Whispering in the ear of NFL referees - ESPN - NFL Nation- ESPN
NFL announces officiating crew for the Super Bowl
Here's how much NFL referees get paid
What Do NFL Referees Do the Other Six Days of the Week?