The GERMAN CAPITAL under BOMBARDMENT: The Opening of the R.A.F.'s Campaign of Night Bombing, and the Results ..
... WHEN BERLIN FIRST WOKE UP TO ITS GREAT PERIL. It was towards the end of July that Berliners first began to learn by the lessons of Hamburg they then began to realise that they were next on the list for the attention of the R.A.F., when the nights grew longer. Hundreds of them, under instructions, began to dig shelters out in the open Hamburg had taught them that shelters within buildings were ...