Knutsson, Karl Eric. <br/><br/>
Authority and change :  a study of the kallu insitution among the Macha Galla of Ethiopia / 
Karl Eric Knutsson. 
 - Goteborg,  1967. 
 - (4), 239 p.:  1 plates, ill.;  24 cm. 
 - Ethnologiska studier ;  29 .
<br/><br/> Akademisk avhandling-Universitetet i Goteborg. 
<br/><br/>Includes bibliography ( p. [234]-239.). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gallas.<br/>Authority.
<br/><br/><label>Dewey Class. No.: </label>572.963