"Air Defence" . . "63 (North London) AA Bde" . . "37th AA Bde" . . . . . "37th (Home Counties) Anti-Aircraft Brigade" . . . . "37th Anti-Aircraft Brigade (United Kingdom)" . . "1967" . "37th Anti-Aircraft Brigade (United Kingdom)" . "37 AA Bde" . "37th Anti-Aircraft Brigade" . "37th AA Brigades" . . . . "33rd Anti-Aircraft Brigade" . . . . . "37th AA Brigade" . . . . . . . . "1938" . . . "63 AA Brigade" . . . "37 AAB" . . "1939" . . "63 (North London) AA Brigade" . "63 AA Bde" .