General Sikorski Historical Institute 1945-1957. 

 - London  :  General Sikorski Historical Institute,  1957. 
 - 46, [1] s., [4] k. tabl. ;  21 cm. 
<br/><br/> PZ 1957-1958,  poz. 500. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>General Sikorski Historical Institute (Londyn).
<br/><br/><label>LC Class. No.: </label>CD1759.L6  / G342 1957