Sloane, T.O`conor . <br/><br/>
Speed and Fun With Figures /  Textual Documents 
T.O`conor Sloane, J.E.Thompson & H.E.Licks. 
 - 1st ed. / 
 - London :  D. Van Nostrand Co., Inc ,  1939. 
 - 155p. ;  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics Calculations G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>511  / Sl 52 Sp