In a month's time

In a month's time 
References in classic literature ?
An unfortunate set of circumstances, and in a month's time the robber gang might be war-dancing around his financial carcass.
The roads are closing so fast in every direction, that in a month's time, unless my aunt sends me a remittance, I shall have to go three or four miles out of town to get over the way.
When these thoughts were upon him he would go away, and perhaps not come again in a month's time or longer; but then as the serious part wore off, the lewd part would wear in, and then he came prepared for the wicked part.