General
Medieval Music & Arts Foundation
Medieval & Renaissance Instruments
Online Catalogues
Publishers
Organisations
Georgian Concert Society
National Early Music Association
Society of Recorder Players
The Society of Strange and Ancient Instruments
The Viola da Gamba Society
Performance groups
Calton Consort
Capella Nova
Concerto Caledonia
Coracle
Dunedin Consort
Gaita
Galloway Consort
Glasgow Viol Consort
Linton Singers
Sang Scule
Squair Mile Consort of Viols
Blogs
Vespers 1610
Early Music Theory Blog
Semibrevity
British Library Medieval manuscripts
Trouvère songs online