http://en.wikipedia.org/wiki/50_Berkeley_Square

http://en.wikipedia.org/wiki/Berkeley_Square

http://www.zurichmansion.org/parks/50.html

http://www.mysterymag.com/hauntedbritain/?page=article&subID=78&artID=128

http://www.ghosts.org/berkeley.html

http://www.scaryforkids.com/50-berkeley-square/

http://www.walksoflondon.co.uk/37/50-berkeley-square-the-mo.shtml

http://www.answers.com/topic/berkeley-square

http://www.ghostsamongus.net/v2/Forums/viewtopic/p=20201.html

http://www.bbc.co.uk/iplayer/episode/b007jwn9/b00675qr/Voices_from_the_Grave_50_Berkeley_Square/

http://www.haunted-london.com/50-berkeley-square

http://www.shoplondons.com/hiofbesqlopa.html

http://www.ukattraction.com/london/50-berkeley-square.htm

http://en.wordpress.com/tag/50-berkeley-square/

http://ghosts-hauntings.suite101.com/article.cfm/lord_thomas_lytteltons_psychic_world

http://para4.org/site/index.php?option=com_awiki&view=mediawiki&article=Berkeley_Square&Itemid=81

http://www.berkeleysqapartments.com/index.html

http://www.grundislavgames.com/benjordan/case4.php

http://www.aboutmayfair.co.uk/blog/2007/09/is-50-berkeley-square-the-most-haunted-house-in-london.html

http://www.zurichmansion.org/parks/index.htm