Island Guitars

This site is a great resource for information regarding the general care, maintenance and repair of your stringed instrument. Lots of informative and amusing articles including tutorials on string types, restringing, tonewoods, and instrument restoration.
All About Electric Guitar Tonewoods
Date Your Martin Guitar
Taylor's Take on Acoustic Guitar Tonewoods
All About Guitar Strings
This table shows the serial numbers for each year that Martin has produced guitars since 1898.
This is an informative article about the sonic variables which exist between the various kinds of tonewoods which are commonly used in building electric guitars.
This features photographs of commonly used tonewoods and descriptions of the tonal attributes of the various woods used in the making of acoustic guitars.
This article provides a lot of basic information about guitar strings for your acoustic, electric or classical guitar.