The Langley, Slough reference article from the English Wikipedia on 24-Apr-2004
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Langley, Slough

Helping orphans the way you would do it
Langley is a village in the unitary authority of Slough, in the south of England, west of London, in England's "Silicon Valley". It is famous for its Mars Bar factory.

Centuries ago, it was known as "Langley Marish", and St. Mary's Church houses the Kedermister Library.

Langley Hall is now part of East Berkshire College.