Mais alguns links sobre Henry Sinclair.

http://sinclair.quarterman.org/who/henry.html

http://www.princehenrystclair.org/news.html

http://www.clansinclairusa.org/gatherings/clan_gat_orksymp.php

http://sinclair.quarterman.org/600/980118.html

http://sinclair.quarterman.org/sinclair/600/971203.html

http://www.caithness.org/links/sinclairconnections/princehenrysinclair/index.htm

http://www.clansinclaircanada.ca/articles/beyond.htm

http://en.wikipedia.org/wiki/Henry_I_Sinclair,_Earl_of_Orkney