Friedmann, Herbert <br/><br/>
The Machris Expedition to Tchad, Africa  : birds 

 - Los Angeles :   County Museum,  1962.  
 - 50p.  : ill.   ; 24cm.  
 - Its contributions in science; 59 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds<br/>Tchad
<br/><br/><label>LC Class. No.: </label>PAM QL692.F7