Correspondents include: 2nd Lord Hamilton of Dalzell [Jockey Club Steward] (2); Sir Horace Hamilton [Chairman, Board of Customs and Excise] (9); 17th Lord Derby; James Grigg [Principal Private Secretary to the Chancellor of the Exchequer] (3); Walter Guinness [later 1st Lord Moyne] (2).Also includes: Turf Guardian Society notes; press cuttings.Subjects covered by the file include: the views of the Betting Duty Reform Association; betting turnover and profits; problems in the administration of the duty; the views of Newmarket [Suffolk] trainers; 2nd Lord Newton's bill.