Minnesota boat – The Sheila Yeats:

http://bobcrockett.com/buzz/?p=9

http://www.vandenplasfamilyfavorites.com/the-story-of-the-sheila-yeates.html

http://www.americanlandscapegallery.com/American_Landscape_Gallery/Americas_Inland_Coast/Pages/Sailing_the_Sheila_Yeates,_Music_and_video_by_Richard_Olsenius.html

The loss of the Sheila Yeats:

http://www.americanlandscapegallery.com/American_Landscape_Gallery/Wind_Ships_and_Storms/Pages/The_Sinking_of_the_Sheila_Yeates,_by_Richard_Olsenius.html

Knots:

https://itunes.apple.com/us/app/what-knot-to-do/id345618285?mt=8 – Free App

http://www.animatedknots.com/