The papers, which date back to the mid-1500s, were discovered at the Dunham Massey estate near Altrincham.
Officers are examining claims of abuse at Altrincham Grammar School for Boys in the 1970s and 80s.
The delays to the Altrincham project have forced Manchester to play home games at Deeside and Sheffield.
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Officers have been examining claims of abuse at Altrincham Grammar School for Boys in the 1970s and 80s.
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Despite delays in moving to their new rink at Altrincham, Manchester are fourth in the Elite League table.
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Cambridge's draw with Altrincham meant that the Brewers could not be caught.
Crawley are away to Altrincham in Blue Square Bet Premier on Saturday.
But with news filtering through that Cambridge had failed to beat Altrincham, Burton knew their job was complete, and the celebrations could begin.
The 63-year-old was arrested on Tuesday by officers examining claims by four pupils of Altrincham Grammar School for Boys of abuse in the 1970s and 80s.
Eric Lam, 35, of Yeoford Drive, Altrincham, was sentenced to six months in jail suspended for 18 months and was ordered to do 120 hours of unpaid work.
The visitors have won their last five matches, while the Rooks last tasted success in a league fixture back in April with back-to-back Blue Square Premier wins against Altrincham and Weymouth.
McFarland took over from Nigel Clough in January with the Brewers 13 points clear at the top but they could have finished second on the final day if Cambridge had beaten Altrincham by four goals.
Peter Wright, whose career began at Newcastle United, is a prolific striker, while ex-Southport midfielder Lee Mulvaney is another potential threat to an Altrincham side that is struggling near the foot of the Blue Square Premier.
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