 Until 1968, the Lord Chamberlain's duties included the licensing (and censoring) of plays and theatres under the Theatres Act 1843.He described the historic role of the Lord Chamberlain's Office in this area in his 1990 book, "The Lord Chamberlain's Blue Pencil".Amongst his other duties, he helped to organise the celebrations of The Queen's Silver Jubilee in 1977.