BBC Music Library www.ia.gateway.bbc.co.uk/infoarch
British Library National Sound Archive www.bl.uk/nsa
Colles Library www.rscm.com
Specialist reference library with many historic collections, unique and out-of-print items.
International Association of Music Libraries ( UK and Ireland )
An association for music libraries and librarians and for anyone working with music; links to music library collections nationwide.
Princeton University Library libweb.princeton.edu