Engels, Frederick <br/><br/>
The Part Played by labour in the transition from APE to man 

 - Peking :  Foreign Languages press,  1975. 
 - 25 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Work Evoution
<br/><br/><label>Dewey Class. No.: </label>331.01  / ENG