Kleczkowski, Stefan. <br/><br/>
Poland's first 100.000 :  story of the rebirth of the Polish Army, Navy and Air Force after the September campaign, together with a biographical note upon its creator, General Wl. Sikorski / 
by Stefan Kleczkowski. 
 - Rev. ed. 
 - London :  Hutchinson,  [ca 1942] 
 - 112 s. :  il. ;  19 cm.