"1962" . . . "1962 Orpington by-election" . . . "Orpington by-election success of 1962" . . "1962 by-election" . . "Orpington in 1962" . . "took Orpington off the Conservatives at another by-election" . "1962 Orpington by-election" . . "Orpington by-election" . . "a March 1962 by-election victory" . . . . . . "Orpington" . . . "Orpington in March 1962" .