Papers of Cohn, 1944-1975, mainly comprising legal opinions and affidavits of Cohn as a Barrister-at-Law, Lincoln's Inn, mainly in regard to cases and clients touching the law of the Federal Republic of Germany, 1952-1975. With the German basic handbook , containing Part two, Administration , Apr 1944, and Part three, Nazi occupied Europe , Oct 1944; Manual of the Allied High Commission for Germany , 1952; annotated typescript entitled 'Comparative jurisprudence and legal reform', (PhD thesis, University of London); file of correspondence in regard to legal matters with Doris Beghahn of Hamburg, 1956; appointment diary, 1952; correspondence of Cohn as Visiting Professor of European Laws, Centre for European Legal Studies, Faculty of Laws, King's College London, 1974-1975; offprints of legal articles by Cohn, 1959-1972.

Also ‘Ernst J Cohn: biography and family memoir’ by Henry J Cohn (son), privately printed, 2019.