Wentworth, G. A.  1835-1906 <br/><br/>
The First Steps in Algebra 

 - 1 online resource :  multiple file formats 
<br/><br/> Release date is 2011-07-09 
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<br/><br/><label>Subjects--Index Terms: </label>Algebra 
<br/><br/><label>LC Class. No.: </label>QA