The week before last

The week before last   
References in classic literature ?
I fancied that maybe it was thinking of the week before last, but Boots said, No, he thought not.
When five undefeated teams lost the week before last, the Hurricanes moved up in the BCS rankings.
Army weapons depots and tunnels in the hillsides stuffed with government weapons were raided by angry residents the week before last.
On Medicare, the administration said the week before last that its budget proposal would call for $138 billion in spending reductions over six years, just $20 billion less than a comparable Republican proposal last year.
The exchange of prisoners became a focal point for United States and European Union officials after the break off the week before last.