Incoming Resources
- Guinness Books, Enfield, c1987
- Guinness Superlatives, Enfield, 1987
- Guinness, Enfield, 1994
- Crestline, Publishers Group Worldwide distributor, Osceola, Wis., Enfield, 2006
- HarperTeen, Publishers Group UK distributor, New York, Enfield, 2010