What collection of papers by a Russian-British social and political theorist appeared in 1969?
Two Concepts of Liberty "Two Concepts of Liberty" was the inaugural lecture delivered by the liberal philosopher Isaiah Berlin before the University of Oxford on 31 October 1958. It was subsequently published as a 57-page pamphlet by Oxford at the Clarendon Press. It also appears in the collection of Berlin's papers entitled "Four Essays on Liberty" (1969) and was more recently reissued in a collection entitled simply "Liberty" (2002).
Catriona Kelly Catriona Helen Moncrieff Kelly, FBA (born 6 October 1959) is a British academic specialising in Russian culture. She is Professor of Russian at the University of Oxford and a Fellow of New College.