== Eksterne henvisninger ==
* [http://www.bsmny.org/features/iidguitar/index.php Instruments In Depth: The Guitar] {{Webarchive|url=https://web.archive.org/web/20110612173823/http://www.bsmny.org/features/iidguitar/index.php |date=12. juni 2011 }}, Bloomingdale School of Music (oktober 2007) {{en sprog}}
* [http://www.bsharp.org/physics/guitar Guitarens opbygning] {{Webarchive|url=https://web.archive.org/web/20101209191707/http://www.bsharp.org/physics/guitar |date= 9. december 2010 }} {{en sprog}}
* [http://library.csun.edu/igra/ International Guitar Research Archive] {{Webarchive|url=https://web.archive.org/web/20110719135326/http://library.csun.edu/igra/ |date=19. juli 2011 }} {{en sprog}}
* [http://www.metmuseum.org/toah/hd/guit/hd_guit.htm The Guitar], Heilbrunn Timeline of Art History, [[The Metropolitan Museum of Art]] viser mange historiske guitarer fra museets samling {{en sprog}}
* [http://www.guitarinfo.dk Guitarinfo – akkorder, skalaer m.m.] {{Webarchive|url=https://web.archive.org/web/20201030043051/https://www.guitarinfo.dk/ |date=30. oktober 2020 }} {{da sprog}}
* [http://www.the-jime.dk/Rockabilly_Guitar.htm De første rock guitarer] {{Webarchive|url=https://web.archive.org/web/20110719132231/http://www.the-jime.dk/Rockabilly_Guitar.htm |date=19. juli 2011 }} {{en sprog}}
Musik