F. Engels articles from the labour standard :  1881 

 - M. :  Progress pub,  1965 
 - 52 p. 
<br/><br/><label>Subjects--Index Terms: </label>F. Engels Tác phẩm cá biệt 
<br/><br/><label>Dewey Class. No.: </label>335.43  / FEN 1965