This page gives some of our favourite links
A study of English Social Musicians from the 17th century onwards from their manuscripts. Amongst many great features the site also boasts a large collection of manuscript books, with many tunes transcribed in the ABC format
ABC is a text-based music notation system which has become the de-facto standard for folk and traditional music. Created by Chris Walshaw, there are now thousands of tunes now notated in ABC and a large number of programs available to help create, display and play these. This site give all the information you need to know about the ABC format, software available and a searchable database of around 380,000 tunes.
'The Online Magazine for Traditional Music throughout the world ', edited by Rod Stradling this is a very interesting and worthwhile online magazine about traditional music.