nobelprize.org, «Betty Williams», verkets språk engelsk, besøkt 22. november 2020[Hentet fra Wikidata]
«The Nobel Peace Prize 1976». NobelPrize.org (på engelsk). Besøkt 4. januar 2023. «“for the courageous efforts in founding a movement to put an end to the violent conflict in Northern Ireland”»
«Rally to Honor Nobel Winners Disappointing». The New York Times (på engelsk). 18. desember 1977. ISSN0362-4331. Besøkt 4. januar 2023. «It was a bittersweet welcome home for the women whose work among Protestants and Catholics in Northern Ireland won them the 1976 prize, which they received last week in Oslo. For a while there were kisses and hugs as the two women walked Belfast's main street. But there was no civic reception organized for them»
snl.no
Simensen, Anne Synnøve (31. oktober 2022). «Mairead Corrigan». Store norske leksikon (på norsk). Besøkt 4. januar 2023.
«Rally to Honor Nobel Winners Disappointing». The New York Times (på engelsk). 18. desember 1977. ISSN0362-4331. Besøkt 4. januar 2023. «It was a bittersweet welcome home for the women whose work among Protestants and Catholics in Northern Ireland won them the 1976 prize, which they received last week in Oslo. For a while there were kisses and hugs as the two women walked Belfast's main street. But there was no civic reception organized for them»
