American communities  : a steel-making community-Pittsburgh, Pennsylvania 

 - 2nd ed. 
 - Boston :  Allyn and Bacon,   1974. 
 -  122p. 
<br/><br/> Pb 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Steel industry and trade-Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>372.83  / EDA