Pro Football Journal: Houston Oilers 1972-74 Helmet Anomaly
David L. Porter Basketball A Biographical Dictionary 2005, PDF, Team Sports
2011 Tennessee Football Media Guide by Chris Treece - Issuu
Guinness World Records 2013 - Flip eBook Library - Page 1 - 294, Flip PDF Online
Pro Football Journal: Houston Oilers 1972-74 Helmet Anomaly
News - RAF Upper Heyford, England
Pro Football Journal: Houston Oilers 1972-74 Helmet Anomaly
Pro Football Journal: Houston Oilers 1972-74 Helmet Anomaly
News - RAF Upper Heyford, England
Peanut Profile Pitts Special Article & Plans, September 1972 American Aircraft Modeler - Airplanes and Rockets
Pro Football Journal: Houston Oilers 1972-74 Helmet Anomaly
HS_Dec12AuctionGuide.. - Huggins & Scott
Pro Football Journal: Houston Oilers 1972-74 Helmet Anomaly