UNSWORTH, Walter <br/><br/>
Hold the heights.  The foundations of mountaineering 

 -  Hodder and Stoughton  1993 
 - 432p., 24 plates, illus., maps, bibl.  24cm. 
<br/><br/><label>ISBN: </label>340339136 
<br/><br/><label>Dewey Class. No.: </label>70