Powers, William K. <br/><br/>
Indians of the Northern Plains / 
by William K. Powers. 
 - New York :  Putnam,  [1969] 
 - 256 p. :  ill., map, ports. ;  23 cm. 
 - An American Indians then & now book .
<br/><br/>Bibliography: p. 249-251. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indians of North America--Great Plains.
<br/><br/><label>LC Class. No.: </label>E78  / P69 1969 
<br/><br/><label>Dewey Class. No.: </label>970.1