References
- Swedish King Carl Gustav
- United Nations Kofi Annan and Bill Clinton
- World Bank
- Harvard University
- Guayasamin Foundation
- Government of Honduras, Chile, Ecuador, Costa Rica, Mexico, Indonesia, Sri Lanka, Japan
- Rotary International
- Kodak
- Sparkasse Saarland
- Generali Austria
- Pepsico Inc.
- Morning Star Foundation
- Schering Germany
- Mercedes Benz
- Aldi & Hofer
- OCE Netherland
- Saint Gobain
