Steelers re-sign LB Harrison to 2-year deal
James Harrison: 'I'm back'
Patriots player James Harrison posts picture of assault rifle on Instagram - The Boston Globe
April 16 NFL roundup - Harrison retires; Bills sign ex-Jet Kerley (updated)
James Harrison Agrees to New 2-Year Contract with Pittsburgh Steelers, News, Scores, Highlights, Stats, and Rumors
Report: James Harrison expected to rejoin, finish career with the Steelers - Steel City Underground
James Harrison unretires, signs with Steelers – The Denver Post
Broncos' Dumervil, Steelers' Harrison make short work of offenses – The Denver Post
Bengals sign former Steeler LB James Harrison - The San Diego Union-Tribune