Here we go:
http://home.howstuffworks.com/true-lovers-knot-quilt-block.htm
http://home.howstuffworks.com/true-lovers-knot-quilt-block.htm
http://www.quiltinaday.com/shoponline/books_display.asp?i=674&pg=3
http://groups.msn.com/QuiltJoys/1999quilts1.msnw?action=ShowPhoto&PhotoID=44