Konopczynski, Wladyslaw. <br/><br/>
A brief outline of polish history /  
[Wladyslaw Konopoczynski ; translated by F. Benett]. 
 - Genève :   [s.n.],   1919 ( 
 - 140 p., 1 h. de map. ;   21 cm. 
 - Polish Encyclopaedic Publications ;   2 .
 - Polish Encyclopaedic Publications ;   2 .