«Discovering Leeds». Leeds City Council UK Gov. Archivado desde el original el 5 de marzo de 2016. Consultado el 23 de septiembre de 2015. «Britten had been taking the final rehearsals of his Spring Symphony which he was due to conduct at the 1950 Triennial Festival...»
nla.gov.au
«Hoping for a Boy». Barrier Miner, Broken Hill. 6 de septiembre de 1950. Consultado el 20 de septiembre de 2015 – via Trove. «...the Countess plans to attend every night of the Leeds Triennial Musical Festival...»
northdevonjournal.co.uk
Peter, NDJ (9 March 2014), "Marion Thorpe, wife of former North Devon MP and Liberal leader Jeremy Thorpe, dies at age 87", North Devon Journal (Barnstaple), archived from the original on 9 March 2014 «Archived copy». Archivado desde el original el 9 de marzo de 2014. Consultado el 29 de diciembre de 2017.
Peter, NDJ (9 March 2014), "Marion Thorpe, wife of former North Devon MP and Liberal leader Jeremy Thorpe, dies at age 87", North Devon Journal (Barnstaple), archived from the original on 9 March 2014 «Archived copy». Archivado desde el original el 9 de marzo de 2014. Consultado el 29 de diciembre de 2017.
«Discovering Leeds». Leeds City Council UK Gov. Archivado desde el original el 5 de marzo de 2016. Consultado el 23 de septiembre de 2015. «Britten had been taking the final rehearsals of his Spring Symphony which he was due to conduct at the 1950 Triennial Festival...»