All Things Strings: Profiles, reviews, news, market updates, discussion forums about bowed instruments, players, and makers. Searchable dealer database.
Bowed Strings: Scientific acoustic descriptions show the physics of bowed string instruments.
Catgut Acoustical Society: Provides information about the application of scientific principles to the construction of instruments in the violin family. Includes journal, research articles, conference schedules and membership details.
Cozio.com: Online database of Italian stringed instruments made before 1800.
Erhu: Chinese two stringed bowed instrument. Includes description, pictures and MP3s.
Erhu, the Chinese two-stringed violin: Erhu music by George Gao, instruction videos, music albums, and general information.
Fiddle and Alternative Strings Forum: Lots of submissions of questions and responses about fiddle playing and styles and dealing with acoustic and electric bowed stringed instruments.
Hardanger Fiddle Association of America: Organization preserving and promoting traditional Norwegian folk music and dance. Membership information, mailing lists, calendar, and FAQ.
How to Buy a Violin: A multi-chapter guide on how to shop for a violin, viola or cello. Discusses dealer and shop practices, instrument authenticity, depreciation and value.
Maestronet Home Page: Online magazine about bowed string instruments. Offers stolen instruments registry, database of instruments for sale, dealers, archives and discussion groups.
Mark Deutsch's Bazantar: Biography of the designer and performer the bazantar, a modified acoustic bass with sympathetic strings. Also, contact information, concert schedule and MP3s.
Paul Rubenstein - inventor of non-traditional bowed string instuments: photos and descriptions of Paul Rubenstein's creations, non-traditional bowed stringed instruments - alumitar, ubertar, cellotar and other instruments: mechanical monk, electric saron, m'birangi etc. - with links to interviews.
Reese Williams - Stringed Instruments: Repair and restoration of stringed instruments, sale of bows and instruments. Details and contact information.
The Journal of the Violin Society of America: Information, indexes, sample articles, and ordering information for the hard copy print journal.
The Strad Magazine: Monthly print magazine for bowed string players, teachers, students, makers and dealers. Read sample contents, browse for books, CDs and posters. Strings business and education directories.
Violinandviola.co.uk: Contains database of bowed string teachers and performers in the UK, free sheet music downloads, forum and events noticeboard.
violinbridges.co.uk: Online photographic archive of bridges from violin instrument family with weights and measurements of bridges displayed.