Cynk, Jerzy B. <br/><br/>
History of the Polish Air Force, 1918-1968 / 
Jerzy B. Cynk. 
 - Raeding, Berkshire :  Osprey Pub. Ltd,  1972. 
 - 307 p. :  ill. ;  26 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Poland. Polskie Siły Powietrzne -- History. Poland -- History -- 20th century.