Nipperhead: Nipper and Nippereabilia - The story of, and some of the paraphernalia related to, the popular mascot and advertising logo. - http://www.nipperhead.com/nipper.htm
Little Nipper (1884-1895) - Article from The Journal of the International Association of Jazz Record Collectors. - http://kzoo.edu/~ahilgart/nip.htm