Here are some links to sites that you may find informative, helpful, or just plain interesting.
Association of Stringed Instrument Artisans A group of stringed instrument makers from around the world who associate for the purpose of information sharing, promoting lutherie, and camaraderie.
Guild of American Luthiers A group of stringed instrument makers from around the world who associate for the purpose of information sharing, promoting lutherie, and camaraderie.
New England Luthiers A group of stringed instrument makers from the greater New England area who associate for the purpose of information sharing, promoting lutherie, and camaraderie.
Musical Instrument Makers Forum A forum for discussion and sharing of ideas/information related to a wide variety of instruments and instrument making.
Guild of New Hampshire Woodworkers Since 1990 the guild has provided a positive environment for woodworkers of all skill levels and from many disciplines to learn, share information and promote the craft.
National Music Museum The National Music Museum is located at the University of South Dakota in Vermillion and contains a very extensive collection of historic musical instruments. Anyone with an interest in such things will find this museum fascinating.
The Wood Database The Wood Database is a website containing a wealth of information about various woods from around the world including technical data as well as pictures.
Hobbithouseinc A non-commercial site that is a great source of info and pix of many specie of wood.