O'Neill, Catherine <br/><br/>
Dogs on Duty 

 - Washington, D.C, USA  The National Geographical Society  1988 
<br/><br/> Describes the ways in which dogs are bred and trained for such careers as livestock guardian, herder, helper for the disabled, sled-puller, and entertainer. 
<br/><br/><label>ISBN: </label>0-87044-659-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult Nonfiction
<br/><br/><label>Dewey Class. No.: </label>AN 636.7 ONE