"Higgins" . "by-election" . . "the by-election" . "1968 Higgins by-election" . "resulting by-election" . . "1968-02-24" . . "ensuing by-election" . "Higgins by-election" . . . "1968 Higgins by-election" . "24 February by-election" . "contest the by-election" . . . . . "a by-election" . . . "successfully contest Holt's old seat" . . "elected" . "1968 Higgins by-election" . "24 February 1968" .