The trachtenberg speed system of basic mathematics 
/translated by Ann Cutler, Rudolph Mcshane 
 - New York  Doubleday  1960 
 - 270 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / TRA