国家図書館
His first post as a librarian was at the Bodleian Library in 1950. He became librarian of the University of Bath in 1968. In 1971 he was appointed head of the National Central Library, and was involved with the British Library from its inception, becoming a member of the organising committee when the BL was first planned in 1971 and serving as a member of its board from 1974 until his retirement in 1988.