Some useful websites
http://www.nmlragunsmithingseminar.org/ --Information about the annual gunsmithing seminar and workshops held at Western Kentucky University.
http://contemporarymakers.blogspot.com/ --A site by Art and Jan Riser which displays work associated with the longrifle culture. They update the blog on a daily basis and this is a rich resource for the longrifle aficionado.
http://www.flintriflesmith.com --The site of the late Gary Brumfield. Contains a great deal of information pertaining to the art and history of the longrifle.