Matejko, Alexander J. <br/><br/>
The polish blue collar worker / 
Alexander J. Matejko. 
 - Ann Arbor :  North American Study Center for Polish Affairs,  1977. 
 - 21 s. [  28 cm. 
<br/><br/> Poprzednia sygnatiura A 780 
<br/><br/><label>Subjects--Index Terms: </label>Working class -- Poland Working class -- Europe, Eastern