document updated 10 years ago, on Apr 22, 2013
http://www.cubscoutpack146.org/resources/knots/knots.pdf
page 1, front and back
http://paperlined.org/trades/knots/pdf/www.buckskin.org%5CResources%5COutdoor%5CFiles%5Cknots.pdf
page 2, front and back
http://bsa55.com/content/wp-content/uploads/2012/05/climbingknots-1.pdf
page 3, front -- figure-eight follow-through, page 2
http://blog.survival-goods.com/LIBRARY/Manuals/Sea-Scout-Knots.pdf
page 3, back -- Stevedore knot, PDF page 16
http://paperlined.org/trades/knots/pdf/igkt.net%5Cpdf%5CKnotChartsWeb.pdf
page 4, front -- constrictor knot, PDF page 19