Front line 1940-41 :  the official story of the Civil Defence of Britain. 

 - London :  His Majesty's Stationery Office,  1942. 
 - 157, [3] s. :  il. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obrona terytorium kraju --Wielka Brytania--1939-1945<br/>Wojna 1939-1945