Bodleian Library Broadside Ballads Online
University of Southern California – Broadside Ballads Online
British Library Traditional Music Sound Collections
Tobar an Dualchais – Scottish traditional music archive
International Council for Traditional Music
International Journal of Traditional Arts
Vaughan Williams Memorial Library – Roud index
Historical Music of Scotland – Digital Tune Manuscripts
Alan Lomax Sound Recordings – Centre for Cultural Equity
Folk Music and Ballad Collecting Timeline (work in progress)