Classical Guitar: Current and back issues information, subscription details, links to online catalog. UK based.
Guitar And Lute Issues: Online magazine of Editions Orphée, publishers of guitar and lute music, founded in 1978 by historian-musicologist Matanya Ophée.
Guitar Review: Information about current issues, with news, a forum, and subscription details.
Guitarra Magazine: An online magazine and resource for classical guitar; includes articles on musicians, history, and playing techniques; also includes sheet music, an events listing, and audio samples.
Guitarrisimo.com: A webzine for the classical guitar community; offers interviews, sheet music, audio samples, festival and competition details, and a forum.