Foster, Joanna. <br/><br/>
Dogs working for people. 
Joanna Foster & James L. Stanfield. 
 - [Washington]  National Geographic Society,  c1972. 
 - 40 p.  col. illus.  29 cm. 
 - Books for young explorers .
<br/><br/> Photographs and brief text describe the skills of retrievers, sheep and cattle dogs, Seeing Eye dogs, greyhounds, bloodhounds, police dogs, watchdogs, huskies, and other canines that work for man. 
<br/><br/><label>ISBN: </label>0870441248 9780870441240 
<br/><br/><label>LCCN: </label>72091419  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Working dogs--Juvenile literature.<br/>Working dogs.<br/>Dogs.
<br/><br/><label>LC Class. No.: </label>SF428.2  / .F67 
<br/><br/><label>Dewey Class. No.: </label>636.7/08/86