Encyclopædia Britannica Online, oppført som Sir Isaiah Berlin, Encyclopædia Britannica Online-ID biography/Isaiah-Berlin, besøkt 9. oktober 2017[Hentet fra Wikidata]
Foundation, Giovanni Agnelli (17. mars 1988). «The Senator Giovanni Agnelli International Prize | Giovanni Agnelli Foundation» (på engelsk). ISSN0028-7504. Besøkt 11. februar 2024. «Senator Giovanni Agnelli International Prize for the Ethical Dimension in Advanced Societies was awarded for the first time to Sir Isaiah Berlin for his outstanding contribution to theoretical reflection and to the debate on contemporary ethics.»
«Lady Berlin». The Times (på engelsk). 17. januar 2024. ISSN0140-0460. Besøkt 17. januar 2024. «Wife of Sir Isaiah Berlin whose Oxford home was a magnet for musicians, artists, writers and politicians»
«Lady Berlin». The Times (på engelsk). 17. januar 2024. ISSN0140-0460. Besøkt 17. januar 2024. «Wife of Sir Isaiah Berlin whose Oxford home was a magnet for musicians, artists, writers and politicians»
Foundation, Giovanni Agnelli (17. mars 1988). «The Senator Giovanni Agnelli International Prize | Giovanni Agnelli Foundation» (på engelsk). ISSN0028-7504. Besøkt 11. februar 2024. «Senator Giovanni Agnelli International Prize for the Ethical Dimension in Advanced Societies was awarded for the first time to Sir Isaiah Berlin for his outstanding contribution to theoretical reflection and to the debate on contemporary ethics.»