McCorduck, Edward Scott. <br/><br/>
Understanding American football :  the simplest, clearest, and most detailed guide for spectators / 
 American football 
Ed McCorduck. 
 - Lincolnwood, Ill. :  NTC Pub. Group,  1998. 
 - xi, 302 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0844205729 
<br/><br/><label>LCCN: </label>97050063  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Football.
<br/><br/><label>LC Class. No.: </label>GV950.6  / .M33 1998 
<br/><br/><label>Dewey Class. No.: </label>796.332/  / MCC