Book: Osborne. Roger. Dafydd. Rees. Barry. Lazell. Forty Years of "NME" Charts. 2nd. 1995. Pan Macmillan. 0-7522-0829-2.
Book: Warwick. Neil. Kutner. Jon. Brown. Tony. The Complete Book Of The British Charts: Singles and Albums. 3rd. 2004. Omnibus Press. London. 1-84449-058-0.
Book: Coryton. Demitri. Murrells. Joseph. Hits of the '60s: the million sellers. 1990. B.T. Batsford. London. 0-7134-5851-8.