Spurr, William Alfred,  1905. <br/><br/>
Business and Economic statistics. / 
by William A. Spurr, Lester S . Kellog and John H. Smith. 
 - Rev. ed. 
 - Homewood:  R. D. Irwin ,  1961. 
 - xi, 560 p. :  ill.;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>Dewey Class. No.: </label>311.2 SPU