Popiołek, Kazimierz. <br/><br/>
The last attempt to Germanize Opole Silesia, 
ed. by Kazimierz Popiolek and Waclaw Sobanski. 
 - Poznan-Warszawa,  Western Press Agency,  1959. 
 - 82 p.  maps. 
 - German testimonies, pamphlet  4. .
<br/><br/> Accompanied by Appendix: original German text: 35 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Germans--Silesia, Upper (Poland and Czech Republic)
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Silesia, Upper (Poland and Czech Republic)--History.