▁and ▁Bad ges ), ▁Not ting ham : ▁Sher wood ▁Press , ▁ 1 9 9 2 , ▁. ▁ ▁P ile , ▁Sir ▁Frederick ▁( 1 9 5 6 ), ▁A ck - A ck : ▁Britain ' s ▁Def ence ▁against ▁Air ▁Att ack ▁during ▁the ▁Second ▁World ▁War , ▁Staff ord : ▁Hamilton ▁▁ ▁Price , ▁Alfred ▁( 1 9 8 0 ), ▁The ▁Hard est ▁Day : ▁ 1 8 ▁August ▁ 1 9 4 0 , ▁New ▁York : ▁Charles ▁S cri b ner ' s ▁S ons , ▁▁ ▁Ray , ▁John . ▁The ▁Night ▁Bl itz : ▁ 1 9 4 0 – 1 9 4 1 . ▁Cass ell ▁Military , ▁London . ▁ 1 9 9 6 . ▁▁▁▁ ▁Rout ledge , ▁Brig ▁N . W . ▁History ▁of ▁the ▁Royal ▁Regiment ▁of ▁Art illery : ▁Anti - A ircraft ▁Art illery ▁ 1 9 1 4 – 5 5 , ▁London : ▁Royal ▁Art illery ▁Institution / B ras sey ' s , ▁ 1 9 9 4 , ▁. ▁ ▁Tit les ▁and ▁Design ations ▁of ▁Form ations ▁and ▁Units ▁of ▁the ▁Territ orial ▁Army , ▁London : ▁War ▁Office , ▁ 7 ▁November ▁ 1 9 2 7 . ▁ ▁Category : Mil it ary ▁units ▁and ▁form ations ▁established ▁in ▁ 1 9 3 5 ▁Category : A ir ▁defence ▁brig ades ▁of ▁the ▁British ▁Army ▁Category : Ant i - A ircraft ▁brig ades ▁of ▁the ▁British ▁Army ▁in