Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Tower of London' has mentioned 'Stone' in the following places:
Occurrence Sentence Text Source
Most of the early Norman castles were built from timber, but by the end of the 11th century a few, including the Tower of London, had been renovated or replaced with stone.
[12] The White Tower is the earliest stone keep in England, and was the strongest point of the early castle.
The Anglo-Saxon Chronicle records that in 1097 King William II ordered a wall to be built around the Tower of London; it was probably built from stone and likely replaced the timber palisade that arced around the north and west sides of the castle, between the Roman wall and the Thames.
The construction of the Waterloo Barracks in the inner ward began in 1845, when the Duke of Wellington laid the foundation stone.
Like it, many keeps were built in stone, e.g.