http://www.historyonthenet.com/Medieval_Life/attacking_a_castle.htm- Page Castle Siege
http://scottjrobinson.com/bibliography.html- Bibliography Title Picture
http://www.douglashistory.co.uk/history/Places/tantallon.htm- Castle Siege Wallpaper
http://www.castlewales.com/motte.html- Bailey Castle Image
http://www.osovo.com/diagram/castlediagram.htm- Architectural Castle Design wallpaper
http://masterman535.hubpages.com/hub/Labeled-Diagram-of-a-Castle- Labled Diagram Castle Architectural Design
http://www.castlesandmanorhouses.com/architecture.htm- Architectual Castle design picture and Information
http://lijinbo78.deviantart.com/art/Medieval-Knight-115723617- Time Line drawing first picture
http://www.timeref.com/castindx.htm- Time line information and pictures
http://en.wikipedia.org/wiki/Fall_of_Constantinople- Image and information
http://elenishistoryofjapan.weebly.com/european-castles-vs-japanese-castles.html- Motives, pictures and information
http://medieval2.heavengames.com/m2tw/history/historical_battles_folder/kalka_river_folder/index.shtml- Motives last picture
http://scottjrobinson.com/bibliography.html- Bibliography Title Picture
http://www.douglashistory.co.uk/history/Places/tantallon.htm- Castle Siege Wallpaper
http://www.castlewales.com/motte.html- Bailey Castle Image
http://www.osovo.com/diagram/castlediagram.htm- Architectural Castle Design wallpaper
http://masterman535.hubpages.com/hub/Labeled-Diagram-of-a-Castle- Labled Diagram Castle Architectural Design
http://www.castlesandmanorhouses.com/architecture.htm- Architectual Castle design picture and Information
http://lijinbo78.deviantart.com/art/Medieval-Knight-115723617- Time Line drawing first picture
http://www.timeref.com/castindx.htm- Time line information and pictures
http://en.wikipedia.org/wiki/Fall_of_Constantinople- Image and information
http://elenishistoryofjapan.weebly.com/european-castles-vs-japanese-castles.html- Motives, pictures and information
http://medieval2.heavengames.com/m2tw/history/historical_battles_folder/kalka_river_folder/index.shtml- Motives last picture