La Fay, Howard. <br/><br/>
The Vikings / 
Howard La Fay. 
 - Washington, D.C. :  National Geographic Society,  1972 
 - 207 p. :  ill. ;  27 cm. 
<br/><br/>Bibliography: p. 207. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0870441086 
<br/><br/><label>LCCN: </label>7275383  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vikings.