Hughes, A.G.. <br/><br/>
Elementary General Science /  Textual Documents 
A.G.Hughes. 
 - 1st ed. / 
 - London :  Blackie & Sons Ltd ,  1933. 
 - 140p. :  ill ;  19cm . 
<br/><br/><label>Subjects--Index Terms: </label>General Science G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>500  / H 874 El