Historic Scotland

Alba: The Gaelic Kingdom of Scotland AD 800-1124 (The Making of Scotland)

By Driscoll, Stephen T., Historic Scotland, Brown, Chris

Stirling Castle (Historic Scotland: Official Souvenir Guide)

By Historic Scotland

Urquhart Castle

By Historic Scotland

Edinburgh Castle

By Historic Scotland

Burgess, Merchant and Priest: The Medieval Scottish Town (The Making of Scotland)

By Hall, Derek, Historic Scotland, Unwin, Christina