Mortenson, W. P. (William Peter), 1895- <br/><br/>
Understanding our economy  analysis, issues, principles 
/ by William P. Mortenson, Donald T. Krider and Roy J. Sampson. With the editorial assistance of Howard R. Anderson 
 - Teacher's ed. 
 - Boston  Houghton Mifflin  1967 
 - 14, ix, 502 p. :  illus. (part col.) col. maps, ports. ;  25 cm. 
<br/><br/>Bibliography: p. 469-477. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Economic conditions