Incoming Resources
- Usborne, EDC, London, Tulsa, Okla., 2002
- EDC Publishing, Tulsa, Okla., c2006
- EDU Pub., Tulsa, Okla., c2004
- Usborne Publishing Ltd., Hayes Books, London, Tulsa, Okla., c1982
- EDC Publishing, Tulsa, Okla., c2007
- Usborne Pub., EDC Pub., London, England, Tulsa, Okla., 1988
- Usborne Pub., EDC Pub., London, Tulsa, Okla., 2006