Ferts.com

Harp Guitar
A description of the instrument.
www.oddmusic.com/

Altgitarren : The Alto Guitar Group
A Yahoo! forum for enthusiasts of the 11-stringed alto-guitar, and other guitars of its kin, to exchange knowledge, information, music and scores.
launch.groups.yahoo.com/

Acoustic Guitar Central: Free Online Guitar Lessons
Many pages of lessons for beginners and intermediate level players. Topics include flatpicking, fingerstyle, jazz and swing, and Blues.
www.acousticguitar.com/

From Frying Pan to Flying V: The Rise of the Electric Guitar
Illustrates how innovative makers and players combined the guitar with a pickup and amplifier to create a new instrument.
invention.smithsonian.org/

Guitar Chord Helper
Interactive guitar fingering guide, includes open position and barre chords.
www.musiceducationmadness.com/

Ultimate Guitar Tabs Archive
Guitar tablature for most of 311's songs.
www.ultimate-guitar.com/

Accent Guitar Studio
It offers some educational books and cassettes for guitar and bass.
www.accentguitar.com/

Guitar
Wikipedia article describes the guitar family and its history; also links to related articles and external resources.
en.wikipedia.org/

Guitar Fretboard Flashcards
Helps to memorize the layout of the guitar fretboard. Play any note by clicking on its fretboard position.
www.abovebest.com/

Guitar Solo Publications
Selections of acoustic guitars, sheet music, accessories, cds, and related acoustic guitar stuff.
www.gspguitar.com/