The Country Dance and Song Society is a national organization with a resource-filled website for people interested in ritual and folk dance, singing and playing music, rooted in English and North American culture. The CDSS store also sells bells and other Morris-related items.
The English Folk Song and Dance Society promotes English folk music and folk dance.
The Morris Federation is the largest association of self-governing morris and traditional dance teams in the UK. Their website has a lot of videos and informative links. Check out the Morris Federation’s series of virtual workshops!