 He was also Literary Director of the Selden Society until 2011 (jointly with David Yale 1981-91, sole 1991-2011) when he was succeeded by Dr Neil Jones.Appointments have included Visiting Professor, New York University School of Law since 1988, Visiting Fellow, All Souls College, Oxford in 1995, Honorary Fellow, Society for Advanced Legal Studies 1998, Corresponding Fellow American Society for Legal History 1992, and Foreign Honorary Member, American Academy of Arts and Sciences 2001.He was elected a Fellow of the British Academy (1984) and a Fellow of the Royal Historical Society (1980).