Autorités BnF, data.bnf.fr, besøkt 10. oktober 2015[Hentet fra Wikidata]
classicmoviehub.com
«Facts about "The Sound of Music" : Classic Movie Hub (CMH)». Classic Movie Hub - CMH. Besøkt 31. juli 2019. «Jeanette MacDonald was originally considered for the role of the Mother Abbess, and she was interested, but, in the end, her increasingly worsening health precluded her taking the part. She died a month before the film was released. Had she been able to accept, it would have been her first film in sixteen years.»
discogs.com
Discogs, Discogs artist-ID 2068143, besøkt 9. oktober 2017[Hentet fra Wikidata]
fembio.org
FemBio-Datenbank, oppført som Jeanette Macdonald, FemBio-ID 18187, besøkt 9. oktober 2017[Hentet fra Wikidata]
