Royal College of Music:
Singing a Song in a Foreign Land - online resource with oral history interviews, biographies and performance footage
Peter Gellhorn Project - AHRC funded exploration of Peter Gellhorn’s musical legacy
RCM Centre for Performance Science
External resources and organisations:
LexM Hamburg University - Online encyclopaedia about musicians persecuted by the Nazi Regime
Forbidden Music Regained, Leo Smit Foundation Amsterdam
Festival Verfemte Musik Schwerin
online resource from the AHRC funded project 'Performing the Jewish Canon'