Stop them now :  German mass-murder of Jews in Poland / 
with a foreword by Lord Wedgwood. 
 - London :  Liberty Publications,  [1942] 
 - 14, [1] s. :   il. ;  22 cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Żydzi --eksterminacja (1941-1945) --Polska.