Caldwell – 1957 General Election Source: Otago Daily Times Labour Party – 1957 General Election Labour Party – 1957 General Election Related articles Social Credit – 1975 General…National Party – 1957 General…Labour Party – 1957 General…National Party – 1957 General…McMullan – 1957 General ElectionNational Party – 1957 General…Labour Party – 1957 General…National Party – 1957 General…Labour Party – 1957 General…Caldwell – 1957 General ElectionNational Party – 1957 General…Labour Party – 1957 General…Labour Party – 1957 General…National Party – 1957 General…Labour Party – 1957 General…National Party – 1957 General…Labour Party – 1957 General…National Party – 1957 General…Labour Party – 1957 General…Labour Party – 1957 General…