Spencer, Robert F. <br/><br/>
An ethno-atlas :    a student's manual of tribal, linguistic and rac ial groupings /  
Robert Spencer. 
 - Dubuque, Iowa :    W. C. Brown Co. ,    [1950, 1956] 
 - iii, 42 p. :    fold. maps. ;    28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ethnology -- Dictionaries.<br/> Ethnology -- maps.<br/> Linguistic geography.