B.A, Howard <br/><br/>
School Trigonometry 
Howard, B.A 
 - London  Ginn and company Ltd. 
 - i-vii, 174p:  ill 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>516.24  / HOW