Double Diamond
- Steiner-Lang, Rosemarie & Otto (2004)
Diamonds
- Stucki, Walter, Alice (2004)
- Muller Walter & Heidi (1987).
- Rolf Hohl and Maya Frei-Aeppli (1985)
- Van Gelderen, Elisabeth.. (1996)
Emerald Founders
- Calvet, Adrienne...
- Isoz, Hanna and Daniel
- Rene, Strickler
- Smaragd
- Martina, Briano
- Kattin, Katy, Michel
- Cornelia, Dobler
- Freiburghaus, Rosmarie
- Gisin, Heidi and Roland
- Ingold, Nathalie and Werner
- Johner, Anita and Walter
- Luiza, Kiss-Dabinian
- Limacher, Ursula, Erwin.
- Schneider, Sonja and Daniel
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